Words from this root (62)
intrusion
B2
/ɪnˈtɹuːʒən/
The act of entering a place or situation where you are not wanted.
infallible
C2
/ɪnˈfæl.ɪ.bl̩/
Never wrong; incapable of making a mistake.
inanimate
B2
/ɪnˈænɪmeɪt/
Not alive; not a living thing.
infer
B2
/ɪnˈfɝ/
To reach an opinion or conclusion from the information you have.
enact
C1
/ɪˈnækt/
To make a proposal into an official law.
insignificant
C2+
/ˌɪnsɪɡˈnɪfɪkənt/
too small or unimportant to be worth consideration
iniquity
C2+
/ɪˈnɪkwəti/
immoral or grossly unjust behavior
initiation
C2+
/ɪˌnɪʃiˈeɪʃən/
the act of beginning something or admitting someone to a group
inhalation
C2+
/ˌɪnhəˈleɪʃən/
the act of breathing air or another substance into the lungs
inimical
C2+
/ɪˈnɪmɪkəl/
tending to obstruct or harm; hostile
inhuman
C2+
/ɪnˈhjumən/
lacking human warmth or compassion; cruel and barbarous
innocuous
C2+
/ɪˈnɑkjuəs/
not harmful or offensive; harmless
inornate
C2+
/ˌɪnɔrˈneɪt/
plain and unadorned; without ornament
injurious
C2+
/ɪnˈdʒʊriəs/
causing or likely to cause harm or damage
insensate
C2+
/ɪnˈsɛnseɪt/
lacking physical sensation or feeling; unfeeling
ingress
C2+
/ˈɪnɡrɛs/
the act or means of entering a place
initialize
C2+
/ɪˈnɪʃəlaɪz/
to set to a starting state; to prepare a device or variable for use
innately
C2+
/ɪˈneɪtli/
in a way that is inborn or natural rather than learned
innocence
C2+
/ˈɪnəsəns/
freedom from guilt, sin, or worldly knowledge
instability
C2+
/ˌɪnstəˈbɪləti/
the state of being unsteady, unreliable, or prone to change
instructive
C2+
/ɪnˈstrʌktɪv/
useful in providing knowledge or information; enlightening
ingrained
C2+
/ɪnˈɡreɪnd/
firmly fixed or deeply rooted, as a habit or belief
inhabitancy
C2+
/ɪnˈhæbɪtənsi/
the state of dwelling in a place; residence or occupancy
injunction
C2+
/ɪnˈdʒʌŋkʃən/
a court order requiring or forbidding an action; an authoritative command
innumerable
C2+
/ɪˈnumərəbəl/
too many to be counted; very numerous
inoffensive
C2+
/ˌɪnəˈfɛnsɪv/
not objectionable or likely to cause offense; harmless
inopportune
C2+
/ɪnˌɑpərˈtun/
occurring at an unsuitable or inconvenient time
insanity
C2+
/ɪnˈsænɪti/
the state of being seriously mentally ill; extreme folly
insecurity
C2+
/ˌɪnsɪˈkjʊrɪti/
a feeling of uncertainty or anxiety; lack of safety or stability
insensible
C2+
/ɪnˈsɛnsəbəl/
unconscious or unaware; lacking feeling or perception
insentient
C2+
/ɪnˈsɛnʃənt/
incapable of feeling or perception; lifeless
insinuate
C2+
/ɪnˈsɪnjuˌeɪt/
to suggest indirectly; to introduce or work in subtly
insolvent
C2+
/ɪnˈsɑlvənt/
unable to pay one's debts; bankrupt
insubstantial
C2+
/ˌɪnsəbˈstænʃəl/
lacking substance, strength, or reality; flimsy
insufferable
C2+
/ɪnˈsʌfərəbəl/
too unpleasant or arrogant to be endured
indorse
C2+
/ɪnˈdɔrs/
to endorse; to sign the back of a document or give approval
ingrain
C2+
/ɪnˈɡreɪn/
to fix firmly in the mind or character; to dye thoroughly
ingrateful
C2+
/ɪnˈɡreɪtfəl/
unthankful; failing to show gratitude (archaic for ungrateful)
inhabitable
C2+
/ɪnˈhæbɪtəbəl/
capable of being lived in; habitable
inheritable
C2+
/ɪnˈhɛrɪtəbəl/
capable of being passed to or received by an heir or descendant
inhibition
C2+
/ˌɪnɪˈbɪʃən/
a feeling or process that restrains or holds back an action or impulse
inhibitor
C2+
/ɪnˈhɪbɪtɚ/
a substance or agent that slows or prevents a reaction or process
inhumane
C2+
/ˌɪnhjuˈmeɪn/
lacking compassion or kindness; cruel
injudicial
C2+
/ˌɪndʒuˈdɪʃəl/
not in accordance with sound judgment or proper legal procedure
innovational
C2+
/ˌɪnəˈveɪʃənəl/
relating to or characterized by innovation
innovatory
C2+
/ˈɪnəˌveɪtəri/
introducing or featuring new methods or ideas; innovative
inofficial
C2+
/ˌɪnəˈfɪʃəl/
not official; lacking formal authority (archaic for unofficial)
inquisition
C2+
/ˌɪnkwəˈzɪʃən/
a prolonged or intensive, often harsh, questioning or investigation
inquisitive
C2+
/ɪnˈkwɪzətɪv/
eager for knowledge; curious, sometimes unduly prying
insaneness
C2+
/ɪnˈseɪnnəs/
the state or quality of being insane; madness
insensitivity
C2+
/ɪnˌsɛnsəˈtɪvəti/
lack of physical or emotional responsiveness; want of tact
insignificance
C2+
/ˌɪnsɪɡˈnɪfɪkəns/
the quality of being unimportant or trivial
insincere
C2+
/ˌɪnsɪnˈsɪr/
not expressing genuine feelings; hypocritical
insinuation
C2+
/ɪnˌsɪnjuˈeɪʃən/
an indirect, often unpleasant suggestion or hint
insolence
C2+
/ˈɪnsələns/
rude and disrespectful behavior or speech
instable
C2+
/ɪnˈsteɪbəl/
not stable; liable to change or collapse (archaic for unstable)
instantiate
C2+
/ɪnˈstænʃiˌeɪt/
to represent an abstract idea by a concrete instance; in computing, to create an object from a class
institutionalism
C2+
/ˌɪnstɪˈtuʃənəˌlɪzəm/
emphasis on established institutions, or the effects of prolonged institutional life
institutionalist
C2+
/ˌɪnstɪˈtuʃənəlɪst/
one who favors or studies established institutions, especially in economics
instructer
C2+
/ɪnˈstrʌktɚ/
one who teaches or instructs (variant spelling of instructor)
instrumentalist
C2+
/ˌɪnstrəˈmɛntəlɪst/
a person who plays a musical instrument; an adherent of instrumentalist philosophy
instrumentation
C2+
/ˌɪnstrəmɛnˈteɪʃən/
the arrangement of music for instruments, or the set of instruments used in a system