Word Formation & Derivatives

inelastic C2+

/ˌɪnɪˈlæstɪk/ not flexible, or not changing much in response to change M S

ineluctably C2+

/ˌɪnɪˈlʌktəbli/ in a way that cannot be avoided or escaped M S

inequation C2+

/ˌɪnɪˈkweɪʒən/ a mathematical statement that two quantities are not equal; an inequality M S

inescapably C2+

/ˌɪnɪˈskeɪpəbli/ in a way that cannot be avoided M S

inexertion C2+

/ˌɪnɪɡˈzɝʃən/ lack of exertion or effort M S

inexistence C2+

/ˌɪnɪɡˈzɪstəns/ the state of not existing; nonexistence M S

infamously C2+

/ˈɪnfəməsli/ in a way that is well known for being bad or wicked M S

infamousness C2+

/ˈɪnfəməsnəs/ the quality of being notorious for something bad M S

infantry C2+

/ˈɪnfəntri/ soldiers who fight on foot M S

informality C2+

/ˌɪnfɔrˈmæləti/ the quality of being relaxed, casual, or unofficial M S

infortunate C2+

/ɪnˈfɔrtʃənət/ unfortunate; unlucky (archaic) M S

infrequency C2+

/ɪnˈfrikwənsi/ the state of happening rarely or seldom M S

infringer C2+

/ɪnˈfrɪndʒɚ/ a person who violates a law, right, or agreement M S

ingeniously C2+

/ɪnˈdʒinjəsli/ in a clever, original, and inventive manner M S

ingenuousness C2+

/ɪnˈdʒɛnjuəsnəs/ the quality of being frank, innocent, and free of guile M S

inglorious C2+

/ɪnˈɡlɔriəs/ causing shame or lacking honor; ignominious M S

ingrateful C2+

/ɪnˈɡreɪtfəl/ unthankful; failing to show gratitude (archaic for ungrateful) M S

ingratiatory C2+

/ɪnˈɡreɪʃiəˌtɔri/ intended to win favor or approval; ingratiating M S

inhabitable C2+

/ɪnˈhæbɪtəbəl/ capable of being lived in; habitable M S

inheritable C2+

/ɪnˈhɛrɪtəbəl/ capable of being passed to or received by an heir or descendant M S

inhibition C2+

/ˌɪnɪˈbɪʃən/ a feeling or process that restrains or holds back an action or impulse M S

inhibitor C2+

/ɪnˈhɪbɪtɚ/ a substance or agent that slows or prevents a reaction or process M S

injudicial C2+

/ˌɪndʒuˈdɪʃəl/ not in accordance with sound judgment or proper legal procedure M S

innovational C2+

/ˌɪnəˈveɪʃənəl/ relating to or characterized by innovation M S

innovatory C2+

/ˈɪnəˌveɪtəri/ introducing or featuring new methods or ideas; innovative M S

inofficial C2+

/ˌɪnəˈfɪʃəl/ not official; lacking formal authority (archaic for unofficial) M S

inpatient C2+

/ˈɪnˌpeɪʃənt/ a patient who stays in a hospital while receiving treatment M S

inquisition C2+

/ˌɪnkwəˈzɪʃən/ a prolonged or intensive, often harsh, questioning or investigation M S

inquisitive C2+

/ɪnˈkwɪzətɪv/ eager for knowledge; curious, sometimes unduly prying M S

insaneness C2+

/ɪnˈseɪnnəs/ the state or quality of being insane; madness M S

insensitivity C2+

/ɪnˌsɛnsəˈtɪvəti/ lack of physical or emotional responsiveness; want of tact M S

insinuation C2+

/ɪnˌsɪnjuˈeɪʃən/ an indirect, often unpleasant suggestion or hint M S

insolence C2+

/ˈɪnsələns/ rude and disrespectful behavior or speech M S

instable C2+

/ɪnˈsteɪbəl/ not stable; liable to change or collapse (archaic for unstable) M S

instantiate C2+

/ɪnˈstænʃiˌeɪt/ to represent an abstract idea by a concrete instance; in computing, to create an object from a class M S

institutionalism C2+

/ˌɪnstɪˈtuʃənəˌlɪzəm/ emphasis on established institutions, or the effects of prolonged institutional life M S

institutionalist C2+

/ˌɪnstɪˈtuʃənəlɪst/ one who favors or studies established institutions, especially in economics M S

instructer C2+

/ɪnˈstrʌktɚ/ one who teaches or instructs (variant spelling of instructor) M S

instrumentalist C2+

/ˌɪnstrəˈmɛntəlɪst/ a person who plays a musical instrument; an adherent of instrumentalist philosophy M S

instrumentation C2+

/ˌɪnstrəmɛnˈteɪʃən/ the arrangement of music for instruments, or the set of instruments used in a system M S

insularism C2+

/ˈɪnsələˌrɪzəm/ narrowness of outlook arising from isolation; insularity M S

insularity C2+

/ˌɪnsəˈlærəti/ narrow-mindedness resulting from isolation or being like an island M S

insultant C2+

/ɪnˈsʌltənt/ insulting or insolent; one who insults (archaic/rare) M S

integrator C2+

/ˈɪntəˌɡreɪtɚ/ a person or device that combines separate parts into a unified whole M S

intellection C2+

/ˌɪntəˈlɛkʃən/ the action or process of understanding by the intellect; reasoning M S

intellectualism C2+

/ˌɪntəˈlɛktʃuəˌlɪzəm/ devotion to or emphasis on intellect and rational thought M S

intellectualize C2+

/ˌɪntəˈlɛktʃuəˌlaɪz/ to treat or examine in a rational rather than emotional way M S

intelligencer C2+

/ɪnˈtɛlɪdʒənsɚ/ one who conveys news or secret information; an informer or spy (archaic) M S

intensiveness C2+

/ɪnˈtɛnsɪvnəs/ the quality of being intensive, concentrated, or thorough M S

interactional C2+

/ˌɪntɚˈækʃənəl/ relating to interaction between people or things M S

intercommunicate C2+

/ˌɪntɚkəˈmjunɪˌkeɪt/ to communicate mutually; to be connected so as to exchange information M S

interdependence C2+

/ˌɪntɚdɪˈpɛndəns/ the condition of mutual dependence between parties or things M S

interepidemic C2+

/ˌɪntɚˌɛpɪˈdɛmɪk/ occurring in the period between successive epidemics M S

interestedness C2+

/ˈɪntrəstɪdnəs/ the state of being interested, or of having a personal stake or bias M S

interestingness C2+

/ˈɪntrəstɪŋnəs/ the quality of being interesting or holding attention M S

interindividual C2+

/ˌɪntɚˌɪndəˈvɪdʒuəl/ occurring or existing between separate individuals M S

interjectory C2+

/ˌɪntɚˈdʒɛktəri/ of the nature of an interjection; thrown in parenthetically M S

interlocution C2+

/ˌɪntɚloʊˈkjuʃən/ dialogue or conversation; an interchange of speech M S

intermediation C2+

/ˌɪntɚˌmidiˈeɪʃən/ the action of mediating between parties, especially in finance M S

interminably C2+

/ɪnˈtɝmɪnəbli/ in a way that seems to last forever; endlessly M S

intermittent C2+

/ˌɪntɚˈmɪtənt/ occurring at irregular intervals; not continuous M S

internally C2+

/ɪnˈtɝnəli/ on or within the inside; in one's mind or within an organization M S

interparliamentary C2+

/ˌɪntɚˌpɑrləˈmɛntəri/ existing or conducted between parliaments or their members M S

interpolation C2+

/ɪnˌtɝpəˈleɪʃən/ the insertion of something extra, or estimation of values between known points M S

interposition C2+

/ˌɪntɚpəˈzɪʃən/ the act of placing between, or of intervening M S

interpretative C2+

/ɪnˈtɝprɪˌteɪtɪv/ serving to explain or expound meaning; interpretive M S

interrelate C2+

/ˌɪntɚrɪˈleɪt/ to connect or be connected with one another mutually M S

interrelation C2+

/ˌɪntɚrɪˈleɪʃən/ a mutual or reciprocal relation between things M S

interrogatee C2+

/ɪnˌtɛrəɡəˈti/ a person who is being interrogated or questioned M S

intertropical C2+

/ˌɪntɚˈtrɑpɪkəl/ situated or occurring between the tropics M S

intertwist C2+

/ˌɪntɚˈtwɪst/ to twist together; to interweave M S

intimation C2+

/ˌɪntəˈmeɪʃən/ an indirect suggestion or hint; an announcement M S

intimidation C2+

/ɪnˌtɪməˈdeɪʃən/ the act of frightening or threatening someone into compliance M S

intoxicate C2+

/ɪnˈtɑksəˌkeɪt/ to make drunk; to excite or elate beyond self-control M S

intractable C2+

/ɪnˈtræktəbəl/ hard to control, manage, or resolve; stubborn M S

intromission C2+

/ˌɪntrəˈmɪʃən/ the act of inserting or letting in; admission of one thing into another M S

introspective C2+

/ˌɪntrəˈspɛktɪv/ given to examining one's own thoughts and feelings M S

inundate C2+

/ˈɪnənˌdeɪt/ to flood or overwhelm with a great quantity M S

inutility C2+

/ˌɪnjuˈtɪləti/ the quality of being useless; lack of usefulness M S

invader C2+

/ɪnˈveɪdɚ/ one who enters forcibly or intrudes, especially with hostile intent M S

inventiveness C2+

/ɪnˈvɛntɪvnəs/ the quality of being creative and original in devising things M S

inversion C2+

/ɪnˈvɝʒən/ a reversal of position, order, or relationship M S

invidious C2+

/ɪnˈvɪdiəs/ likely to arouse resentment or unfair distinction; offensive M S

invigoration C2+

/ɪnˌvɪɡəˈreɪʃən/ the act of giving strength, energy, or fresh vitality M S

inviolate C2+

/ɪnˈvaɪələt/ free from violation, injury, or desecration; intact M S

invisibly C2+

/ɪnˈvɪzəbli/ in a manner that cannot be seen M S

invitement C2+

/ɪnˈvaɪtmənt/ an invitation or allurement; the act of inviting M S

invocation C2+

/ˌɪnvəˈkeɪʃən/ the act of calling upon a deity, spirit, or authority for aid or inspiration M S

involuntary C2+

/ɪnˈvɑlənˌtɛri/ done without conscious will or intention M S

involutional C2+

/ˌɪnvəˈluʃənəl/ relating to a shrinking or degenerative decline of an organ or faculty with age M S

invulnerable C2+

/ɪnˈvʌlnərəbəl/ incapable of being wounded, harmed, or overcome M S

ireful C2+

/ˈaɪərfəl/ full of anger; wrathful M S

irenic C2+

/aɪˈrɛnɪk/ aiming at or promoting peace and conciliation M S

irenical C2+

/aɪˈrɛnɪkəl/ tending toward peace or reconciliation; conciliatory M S

irradiate C2+

/ɪˈreɪdiˌeɪt/ to expose to or shine with radiant light or radiation M S

irrefutable C2+

/ɪˈrɛfjətəbəl/ impossible to deny or disprove M S