Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
7226 words
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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProC2+ (5170) Pro
inflexible
C2+
/ɪnˈflɛksəbəl/
not able to be bent, or unwilling to change
M
S
inhalation
C2+
/ˌɪnhəˈleɪʃən/
the act of breathing air or another substance into the lungs
M
S
inimical
C2+
/ɪˈnɪmɪkəl/
tending to obstruct or harm; hostile
M
S
justiciary
C2+
/dʒʌˈstɪʃiˌɛri/
an officer who administers justice, or relating to the administration of justice
M
S
lamentable
C2+
/ləˈmɛntəbəl/
deserving sorrow or regret; deplorable
M
S
laudable
C2+
/ˈlɔdəbəl/
deserving praise and commendation
M
S
loosen
C2+
/ˈlusən/
to make or become less tight or firmly fixed
M
S
manifestation
C2+
/ˌmænəfɛˈsteɪʃən/
an event or sign that shows something clearly
M
S
maximal
C2+
/ˈmæksəməl/
as great or large as possible
M
S
meliorate
C2+
/ˈmiljəˌreɪt/
to make or become better; to improve
M
S
methodically
C2+
/məˈθɑdɪkli/
in an orderly, systematic manner
M
S
natal
C2+
/ˈneɪtəl/
relating to the place or time of one's birth
M
S
nocent
C2+
/ˈnoʊsənt/
harmful or injurious; guilty
M
S
ornamentation
C2+
/ˌɔrnəmɛnˈteɪʃən/
decorative details added to something for adornment
M
S
palaver
C2+
/pəˈlævɚ/
prolonged and idle talk; a tedious fuss
M
S
peaceable
C2+
/ˈpisəbəl/
inclined to avoid conflict; peaceful in disposition
M
S
peculiarly
C2+
/pɪˈkjuljɚli/
in a strange or distinctively characteristic way
M
S
postulate
C2+
/ˈpɑstʃəˌleɪt/
to assume the existence of something as a basis for reasoning
M
S
punition
C2+
/pjuˈnɪʃən/
the act of punishing; punishment
M
S
reconsideration
C2+
/ˌrikənˌsɪdəˈreɪʃən/
the act of thinking about a decision again, often to change it
M
S
rectify
C2+
/ˈrɛktəˌfaɪ/
to put right; to correct something wrong
M
S
remuneration
C2+
/rɪˌmjunəˈreɪʃən/
money paid for work or a service; payment
M
S
replication
C2+
/ˌrɛpləˈkeɪʃən/
the action of copying or reproducing something
M
S
repulsive
C2+
/rɪˈpʌlsɪv/
arousing intense disgust
M
S
rightful
C2+
/ˈraɪtfəl/
having a legitimate or just claim; legally entitled
M
S
routinely
C2+
/ruˈtinli/
as a regular or habitual practice
M
S
sameness
C2+
/ˈseɪmnəs/
the quality of being identical or monotonously unvarying
M
S
seasonable
C2+
/ˈsizənəbəl/
suitable to the season, or opportune in timing
M
S
sophisticate
C2+
/səˈfɪstɪkət/
a worldly, cultured person of refined tastes
M
S
telling
C2+
/ˈtɛlɪŋ/
having a striking or revealing effect; significant
M
S
unstable
C2+
/ʌnˈsteɪbəl/
likely to change, fail, or collapse; not steady
M
S
vulgar
C2+
/ˈvʌlɡɚ/
lacking refinement or good taste; coarse
M
S
waver
C2+
/ˈweɪvɚ/
to be unsteady or undecided; to falter
M
S
abstemious
C2+
/æbˈstimiəs/
sparing or moderate in eating and drinking
M
S
absurdity
C2+
/əbˈsɝdəti/
the quality of being ridiculous or wildly unreasonable
M
S
abysmal
C2+
/əˈbɪzməl/
extremely bad; appalling
M
S
acquirement
C2+
/əˈkwaɪɚmənt/
the act of gaining something, or a skill so gained
M
S
addlepated
C2+
/ˈædəlˌpeɪtɪd/
confused, muddled, or foolish
M
S
adherent
C2+
/ædˈhɪrənt/
a supporter of a person, cause, or belief
M
S
adjudicate
C2+
/əˈdʒudɪˌkeɪt/
to make a formal judgment on a dispute
M
S
adulteration
C2+
/əˌdʌltəˈreɪʃən/
the act of making something impure by adding inferior substances
M
S
agitation
C2+
/ˌædʒəˈteɪʃən/
a state of nervous anxiety or vigorous stirring
M
S
amenable
C2+
/əˈminəbəl/
willing to agree or be persuaded; responsive
M
S
antagonist
C2+
/ænˈtæɡənɪst/
a person who actively opposes or is hostile to another
M
S
apprehension
C2+
/ˌæprɪˈhɛnʃən/
anxiety or fear about the future; the act of arresting
M
S
atomize
C2+
/ˈætəˌmaɪz/
to reduce to fine particles, or to fragment into units
M
S
awfully
C2+
/ˈɔfli/
very; to a great degree
M
S
balmy
C2+
/ˈbɑmi/
pleasantly warm and mild, of weather
M
S
banal
C2+
/bəˈnæl/
so lacking in originality as to be boring
M
S
barney
C2+
/ˈbɑrni/
a noisy quarrel or argument
M
S
beefheaded
C2+
/ˈbifˌhɛdɪd/
stupid or dull-witted
M
S
betrayer
C2+
/bɪˈtreɪɚ/
a person who is disloyal to a trust or cause
M
S
bewildering
C2+
/bɪˈwɪldɚɪŋ/
causing confusion or perplexity
M
S
blather
C2+
/ˈblæðɚ/
to talk at length in a foolish or nonsensical way
M
S
blockheaded
C2+
/ˈblɑkˌhɛdɪd/
stupid or stubbornly obtuse
M
S
blustery
C2+
/ˈblʌstəri/
characterized by strong gusty winds
M
S
boastful
C2+
/ˈboʊstfəl/
given to excessive pride in talking about oneself
M
S
bobby
C2+
/ˈbɑbi/
a British police officer
M
S
bombastic
C2+
/bɑmˈbæstɪk/
high-sounding but with little meaning; inflated in style
M
S
boneheaded
C2+
/ˈboʊnˌhɛdɪd/
foolish or stupid
M
S
booty
C2+
/ˈbuti/
valuable goods seized as plunder; loot
M
S
boreal
C2+
/ˈbɔriəl/
relating to the north or northern regions
M
S
bountiful
C2+
/ˈbaʊntɪfəl/
abundant or generously given
M
S
breather
C2+
/ˈbriðɚ/
a brief pause for rest
M
S
brightness
C2+
/ˈbraɪtnəs/
the quality or degree of being bright or luminous
M
S
butty
C2+
/ˈbʌti/
a sandwich (British, dialectal)
M
S
capitalistic
C2+
/ˌkæpɪtəˈlɪstɪk/
relating to or favoring capitalism
M
S
captivating
C2+
/ˈkæptɪˌveɪtɪŋ/
capable of attracting and holding interest; charming
M
S
castigation
C2+
/ˌkæstɪˈɡeɪʃən/
severe criticism or punishment
M
S
centenary
C2+
/sɛnˈtɛnəri/
a hundredth anniversary
M
S
changeling
C2+
/ˈtʃeɪndʒlɪŋ/
a child secretly substituted for another in folklore, esp. by fairies
M
S
chopper
C2+
/ˈtʃɑpɚ/
a helicopter, or a tool for chopping
M
S
circuitous
C2+
/sɚˈkjuɪtəs/
taking a long and indirect route
M
S
cocky
C2+
/ˈkɑki/
overly self-confident in a brash way
M
S
coincident
C2+
/koʊˈɪnsɪdənt/
occurring together in time or space; corresponding
M
S
commiseration
C2+
/kəˌmɪzəˈreɪʃən/
sympathy and sorrow expressed for another's misfortune
M
S
conclusive
C2+
/kənˈklusɪv/
settling a matter decisively; leaving no doubt
M
S
confounded
C2+
/kənˈfaʊndɪd/
bewildered, or used as a mild oath of annoyance
M
S
conglutinate
C2+
/kənˈɡlutənˌeɪt/
to stick or glue together; to unite as if by adhesion
M
S
congruous
C2+
/ˈkɑŋɡruəs/
in harmony or agreement; suitable and fitting
M
S
connatural
C2+
/kəˈnætʃərəl/
innate or belonging by nature; of the same nature
M
S
consecutively
C2+
/kənˈsɛkjətɪvli/
one after another in unbroken succession
M
S
copulate
C2+
/ˈkɑpjəˌleɪt/
to engage in sexual intercourse
M
S
damned
C2+
/dæmd/
condemned to hell, or used as an intensifier of annoyance
M
S
dandy
C2+
/ˈdændi/
a man overly concerned with elegant dress; excellent
M
S
dauntless
C2+
/ˈdɔntləs/
showing fearlessness and determination
M
S
decency
C2+
/ˈdisənsi/
behavior that conforms to accepted standards of morality and propriety
M
S
decipher
C2+
/dɪˈsaɪfɚ/
to convert from code or obscure form into intelligible language
M
S
definitive
C2+
/dɪˈfɪnɪtɪv/
most authoritative and conclusive; final
M
S
denizen
C2+
/ˈdɛnɪzən/
an inhabitant or occupant of a particular place
M
S
derivative
C2+
/dɪˈrɪvətɪv/
imitative of others' work; a thing based on another source
M
S
despicable
C2+
/dɪˈspɪkəbəl/
deserving hatred and contempt; vile
M
S
deterioration
C2+
/dɪˌtɪriəˈreɪʃən/
the process of becoming progressively worse
M
S
disarray
C2+
/ˌdɪsəˈreɪ/
a state of disorder or confusion
M
S
discernment
C2+
/dɪˈsɚnmənt/
keen perception and good judgment
M
S
disconsolate
C2+
/dɪsˈkɑnsələt/
hopelessly unhappy and beyond comfort
M
S
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