Safety & Risk
Danger, protection, accidents, emergencies, and uncertainty.
163 words
Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProA2 (12) Pro
safe
A2
/seɪf/
Not in danger and not likely to be harmed.
dangerous
A2
/ˈdeɪn.d͡ʒ(ə.)ɹəs/
Likely to cause harm, injury, or death.
accident
A2
/ˈæk.sə.dənt/
A crash involving a vehicle that causes damage or injury.
destroy
A2
/dɪˈstɹɔɪ/
To damage something so badly that it no longer exists or cannot be used.
danger
A2
/ˈdeɪn.d͡ʒɚ/
The possibility of being harmed or killed.
emergency
A2
/ɪˈmɝ.d͡ʒən.si/
A sudden, dangerous situation that needs immediate action
sudden
A2
/ˈsʌd.ən/
Happening quickly and without warning.
adventure
A2
/ədˈvɛn.t͡ʃɚ/
An exciting or unusual experience, often involving some risk or danger.
endangered
A2
/ɛnˈdeɪndʒɝd/
At risk of dying out completely, said of animals or plants
harmful
A2
/ˈhɑɹmfl̩/
Causing or able to cause harm or damage.
protect
A2
/pɹəˈtɛkt/
To keep someone or something safe from harm or danger.
suddenly
A2
/ˈsʌd.ən.li/
Quickly and without warning.
B1 (37) Pro
haven
B1
/ˈheɪvən/
A safe place where someone can find protection.
security
B1
/səˈkjɔɹ.ɪˌti/
the state of being safe and protected from danger
risk
B1
/ɹɪsk/
The chance that something bad might happen.
damage
B1
/ˈdæmɪd͡ʒ/
Physical harm that makes something less useful or valuable.
safety
B1
/ˈseɪfti/
The state of being safe and not in danger.
warning
B1
/ˈwoɹnɪŋ/
Something said or written that tells you about a possible danger or problem.
threat
B1
/θɹet/
A statement that you will hurt or punish someone, especially if they do not do what you want.
protection
B1
/pɹəˈtɛkʃn̩/
The act of keeping someone or something safe from harm.
rescue
B1
/ˈɹɛs.kju/
To save someone or something from danger or harm.
secure
B1
/sɪˈkjʊə(ɹ)/
safe and protected from danger or harm
crisis
B1
/ˈkɹɑesɪs/
A time of serious danger, difficulty, or trouble.
shelter
B1
/ˈʃɛltəɹ/
A place that gives protection from bad weather or danger.
ward
B1
/wɔɹd/
A section of a hospital for patients who need similar care.
threatening
B1
/ˈθɹɛtə.nɪŋ/
Likely to cause harm or danger; frightening.
safely
B1
/ˈseɪfli/
Without being harmed or causing harm.
survival
B1
/sɚˈvaɪ.vəl/
The fact of staying alive, especially through danger or hardship.
critical
B1
/ˈkɹɪt.ɪ.kəl/
Extremely important; essential for something to succeed.
radiation
B1
/ˌɹæɪ.diˈæɪ.ʃən/
Energy that travels as rays, waves, or particles, such as heat or light.
expose
B1
/ɪkˈspoʊz/
To uncover something so that it can be seen.
compromise
B1
/ˈkɑmpɹəˌmaɪz/
an agreement in which each side gives up part of what it wants
survivor
B1
/sɚˈvaɪvɚ/
A person who stays alive through a dangerous event such as an accident or disaster.
protective
B1
/pɹəˈtɛk.tɪv/
Designed or intended to keep someone or something safe.
preserve
B1
/pɹəˈzɝv/
To keep something safe and protect it from harm, loss, or damage.
caution
B1
/ˈkɔʃ(ə)n/
Great care taken to avoid danger or mistakes.
poisonous
B1
/ˈpɔɪzənəs/
Containing poison; dangerous to eat, touch, or breathe.
cautious
B1
/ˈkɔːʃəs/
Careful to avoid danger, risk, or mistakes.
hazard
B1
/ˈhæzɚd/
Something that is dangerous or could cause harm.
destructive
B1
/dɪˈstɹʊktɪv/
Causing a lot of damage or harm.
disastrous
B1
/dɪˈzæs.tɹəs/
Causing great harm, damage, or a very bad result.
violently
B1
/ˈvaɪ(ə)ləntli/
In a way that uses physical force to hurt or damage.
lifeguard
B1
/ˈlaɪfˌɡɑɹd/
A person whose job is to watch swimmers at a beach or pool and rescue them if they are in danger.
endanger
B1
/ɛnˈdeɪnd͡ʒɚ/
To put someone or something in danger or at risk of harm
safeguard
B1
/ˈseɪfɡɑː(ɹ)d/
Something done to protect against harm, danger, or loss.
environmentalist
B1
/ɪnˌvaɪrənˈmɛntəlɪst/
A person who works to protect the natural environment from harm and pollution.
goggles
B1
/ˈɡɑːɡəlz/
close-fitting protective eyewear worn for swimming, sports, laboratory work, or hazardous tasks
bodyguard
B1
/ˈbɑːdiɡɑːrd/
a person or group responsible for protecting someone, especially an important public figure
extinguisher
B1
/ɪkˈstɪŋɡwɪʃɚ/
a portable device containing a substance used to put out a small fire
B2 (22) Pro
alert
B2
/əˈlɝt/
Awake, watchful, and quick to notice things.
risky
B2
/ˈɹɪski/
Involving the chance of something bad happening; dangerous.
harmless
B2
/ˈhɑɹmləs/
Not able to cause any harm; safe.
deliberately
B2
/dɪˈlɪb.(ə.)ɹət.li/
On purpose; not by accident.
evacuate
B2
/ɪˈvæk.ju.eɪt/
To move people away from a dangerous place to somewhere safe.
refuge
B2
/ˈɹɛfjuːd͡ʒ/
A safe place where you are protected from danger or trouble.
misfortune
B2
/mɪsˈfɔɹt͡ʃən/
Bad luck.
catastrophe
B2
/kəˈtæstrəfi/
A sudden event that causes great damage, suffering, or loss.
evacuation
B2
/ɪˌvækjuˈeɪʃən/
The act of moving people away from a dangerous place to safety.
hedge
B2
/ˈhed͡ʒ/
A row of bushes or small trees that forms a boundary or fence.
jeopardize
B2
/ˈd͡ʒɛp.ɚ.daɪz/
To put something at risk or in danger.
adventurous
B2
/ædˈvɛn.t͡ʃɚ.əs/
Willing to try new things and take risks.
unsafe
B2
/ʌnˈseɪf/
Dangerous; likely to cause harm or injury
abruptly
B2
/əˈbɹʌp.li/
suddenly and without warning
hazardous
B2
/ˈhæ.zɚ.dɪs/
Dangerous or risky; likely to cause harm.
contaminate
B2
/kənˈtæmɪneɪt/
To make something dirty, dangerous, or unsafe by adding harmful substances.
ravage
B2
/ˈɹævɪd͡ʒ/
To cause great damage to something; to destroy.
adversely
B2
/ædˈvɝːsli/
In a way that has a bad or harmful effect.
padlock
B2
/ˈpædˌlɑk/
a removable lock with a curved or sliding shackle that passes through a fastening
rescuer
B2
/ˈres.kjuː.ɚ/
a person who saves someone or something from danger, harm, or captivity
siren
B2
/ˈsaɪɹən/
a device that produces a loud, rising and falling sound as a warning, or the sound it makes
goner
B2
/ˈɡɔːnɚ/
informal: a person or thing that is doomed, ruined, or beyond rescue
C1 (26) Pro
vulnerable
C1
/ˈvʌln(ə)ɹəbl̩/
Easily hurt or harmed, physically or emotionally.
asylum
C1
/əˈsaɪləm/
Protection given by a country to someone who has fled danger in their own country.
compromised
C1
/ˈkɑːmprəˌmaɪzd/
Made weaker, less safe, or less effective than it should be.
defensive
C1
/dɪˈfen.sɪv/
Used or intended to protect against attack.
insecure
C1
/ɪnsəˈkjʊɹ/
Lacking confidence in yourself; uncertain and anxious.
benign
C1
/bɪˈnɑen/
Not harmful or dangerous, especially describing a tumour that is not cancerous.
detrimental
C1
/ˌdɛtɹɪˈmɛntəl/
Causing harm or damage.
detriment
C1
/ˈdɛtɹɪmənt/
Harm or damage to something.
undaunted
C1
/ənˈdɔntɪd/
Not discouraged or frightened by difficulty or danger.
insecurely
C1
In a way that shows a lack of self-confidence.
detrimentally
C1
In a way that causes harm or damage.
pernicious
C1
/pɚˈnɪʃəs/
having a harmful effect, especially in a gradual or subtle way
secrecy
C1
/ˈsiːkɹəsi/
the trait of keeping things secret
maim
C1
/meɪm/
to injure a person or animal so severely that a body part is permanently damaged or lost
misadventure
C1
/ˌmɪsədˈvɛntʃɚ/
an unlucky accident or mishap, often caused without deliberate wrongdoing
maul
C1
/mɔl/
to attack and injure someone or something severely by beating, scratching, or tearing
impale
C1
/ɪmˈpeɪl/
to pierce something with a long, sharp object so that it is fixed or held on the point
safekeeping
C1
/ˌseɪfˈkiː.pɪŋ/
protection or secure custody that keeps someone or something from harm, loss, or theft
unscathed
C1
/ʌnˈskeɪðd/
not injured or damaged by a dangerous event
brunt
C1
/brʌnt/
the main force, impact, or worst effects of an attack, event, or burden
preserver
C1
/prɪˈzɝː.vɚ/
a person or thing that protects someone or keeps something safe from harm or destruction
overstrain
C1
/ˌoʊ.vɚˈstreɪn/
to subject a person, body part, resource, or ability to more strain than it can safely bear
extrication
C1
/ˌɛkstɹɪˈkeɪʃən/
the act or process of freeing someone or something from entanglement, confinement, or a difficult situation
lethality
C1
/liˈθæləti/
the capacity or quality of being able to cause death
misfire
C1
/ˌmɪsˈfaɪɹ/
to fail to fire, ignite, or detonate properly
forewarn
C1
/fɔrˈwɔrn/
to warn someone about a danger, problem, or event before it occurs
C2 (25) Pro
menace
C2
/ˈmɛnɪs/
Something or someone that is a danger or threat.
cramp
C2
/kɹæmp/
to secure with a cramp
retribution
C2
/ˌɹɛt.ɹɪˈbju.ʃən/
the act of taking revenge, such as harming someone in retaliation for something harmful that they have done, especially in the next life
cocoon
C2
/kəˈkuːn/
The silky covering a caterpillar spins around itself before becoming a moth or butterfly.
menacing
C2
/ˈmɛnɪsɪŋ/
Seeming dangerous and likely to cause harm; threatening.
insidious
C2
/ɪnˈsɪdi.əs/
working or spreading in a hidden and usually injurious way
catastrophically
C2
In a way that causes a disaster or terrible damage.
menacingly
C2
/ˈmɛnəsɪŋli/
In a threatening way that suggests danger.
unwary
C2
/ənˈwɛri/
not alert to danger or deception
calamitously
C2
In a way that causes great damage or disaster.
coastguard
C2
/ˈkoʊstɡɑːrd/
chiefly British, an official employed to watch coastal waters, help vessels in danger, and enforce maritime law
conflagration
C2
/ˌkɑnfləˈɡɹeɪʃən/
a large, destructive, and uncontrolled fire
premonitory
C2
/prəˈmɑnəˌtɔri/
serving as an advance warning or indication of something that is about to happen
inflammable
C2
/ɪnˈflæməbəl/
easily set on fire; flammable
fallout
C2
/ˈfɔːlˌaʊt/
the harmful or unpleasant consequences that follow an event or decision
overexposure
C2
/ˌoʊ.vɚ.ɪkˈspoʊ.ʒɚ/
excessive exposure to something, especially something harmful such as radiation or sunlight
incautious
C2
/ɪnˈkɑʃəs/
not sufficiently cautious; acting or speaking without proper care
imperil
C2
/ɪmˈper.əl/
formal: to put a person, thing, or undertaking at serious risk of harm, loss, or destruction
impend
C2
/ɪmˈpɛnd/
to be imminent or about to happen, especially as a threat or danger
averter
C2
/əˈvɝtɚ/
a person, power, or thing that prevents or turns away danger, harm, or another unwanted event
maroon
C2
/məˈruːn/
to leave someone stranded and isolated in a remote place, especially an island
tocsin
C2
/ˈtɑksɪn/
a bell or bell signal sounded to warn people of danger
crossbones
C2
/ˈkrɔːsˌboʊnz/
two bones depicted or placed diagonally across one another, especially beneath a skull as a warning of danger or death
cautionary
C2
/ˈkɔʃəˌnɛɹi/
Serving to caution or warn; admonitory
untraceable
C2
/ənˈtreɪsəbəl/
incapable of being traced or tracked down
C2+ (41) Pro
peril
C2+
/ˈpɛrəl/
serious and immediate danger; to imperil
deleterious
C2+
/ˌdɛləˈtɪriəs/
causing harm or damage, especially gradually
innocuous
C2+
/ɪˈnɑkjuəs/
not harmful or offensive; harmless
injurious
C2+
/ɪnˈdʒʊriəs/
causing or likely to cause harm or damage
mishap
C2+
/ˈmɪsˌhæp/
an unlucky accident, usually minor
admonition
C2+
/ˌædməˈnɪʃən/
a gentle but earnest warning or rebuke
nocuous
C2+
/ˈnɑkjuəs/
harmful, noxious, or poisonous
overreach
C2+
/ˌoʊvərˈritʃ/
to extend or exert oneself beyond a safe or proper limit
perilous
C2+
/ˈpɛrələs/
full of danger or risk
admonishment
C2+
/ædˈmɑnɪʃmənt/
a gentle or earnest reproof or warning
beshield
C2+
/bɪˈʃild/
to shield, protect, or cover as with a shield
dangersome
C2+
/ˈdeɪndʒɚsəm/
fraught with danger; perilous
disastrously
C2+
/dɪˈzæstrəsli/
in a way that causes great damage, ruin, or failure
imprudent
C2+
/ɪmˈprudənt/
lacking caution or foresight; unwise
jeopardy
C2+
/ˈdʒɛpərdi/
danger of loss, harm, or failure; legal risk of conviction
mischance
C2+
/mɪsˈtʃæns/
bad luck or an unfortunate accident
noxious
C2+
/ˈnɑkʃəs/
harmful, poisonous, or very unpleasant
poisonously
C2+
/ˈpɔɪzənəsli/
in a venomous or toxically harmful manner
polluted
C2+
/pəˈlutɪd/
contaminated with harmful or unclean substances
undamaging
C2+
/ʌnˈdæmɪdʒɪŋ/
not causing damage or harm
wreak
C2+
/riːk/
to cause or inflict (harm, damage, or vengeance)
admonitory
C2+
/ədˈmɑnɪˌtɔri/
giving or conveying a warning or gentle reproof
beware
C2+
/bɪˈwɛr/
to be cautious or on guard against a danger
bogeyman
C2+
/ˈboʊɡimæn/
an imaginary evil spirit invoked to frighten children; a dreaded threat
cautiously
C2+
/ˈkɔʃəsli/
in a careful manner that avoids danger or risk
convoy
C2+
/ˈkɑnvɔɪ/
a group of vehicles or ships travelling together for protection
inadvertently
C2+
/ˌɪnədˈvɝtəntli/
without intention; by accident
incaution
C2+
/ɪnˈkɔʃən/
lack of caution; carelessness
indemnity
C2+
/ɪnˈdɛmnəti/
security or protection against loss, or compensation for it
jeopardous
C2+
/ˈdʒɛpərdəs/
full of danger or risk; perilous
parlous
C2+
/ˈpɑrləs/
full of danger or uncertainty; perilous
portend
C2+
/pɔrˈtɛnd/
to be a sign or warning that something, usually momentous, is likely to happen
rampant
C2+
/ˈræmpənt/
flourishing or spreading unchecked, especially of something harmful
regenerate
C2+
/rɪˈdʒɛnəˌreɪt/
to regrow, restore, or renew, especially after damage
scathe
C2+
/skeɪð/
to harm or injure, especially by scorching; harm or damage
secureness
C2+
/sɪˈkjʊrnəs/
the state or quality of being secure, safe, or firmly fixed
sully
C2+
/ˈsʌli/
to damage or tarnish the purity or reputation of something
threateningly
C2+
/ˈθrɛtənɪŋli/
in a manner that suggests danger or harm
unhazardous
C2+
/ʌnˈhæzərdəs/
not dangerous; safe
cave-in
C2+
/ˈkeɪvˌɪn/
the sudden collapse of earth, rock, a roof, or another enclosing structure
watchout
C2+
/ˈwɑtʃˌaʊt/
the act or state of keeping watch for danger, trouble, or something expected
More topics
Grammar & Function Words
395 words
Small words that connect, point, compare, negate, and structure sentences.
Numbers & Quantity
534 words
Counting, amounts, proportions, and the language of how much.
Space, Position & Direction
1546 words
Where things are, how they are arranged, and which way they face.
Time
752 words
Hours, dates, seasons, frequency, and the words for when things happen.
People & Society
1632 words
People, roles, communities, identity, and social life.
Family & Relationships
243 words
Parents, siblings, partners, friends, and the wider web of kin.