Adjectives starting with Ic
    ickysticky
    icyice-covered
    Adjectives starting with Id
    idealbest
    identicalalike in every way
    idiomaticcharacteristic of native-speaker use
    idlenot working or in use
    idyllicserenely beautiful and happy
    Adjectives starting with Ig
    igneousformerly molten
    Adjectives starting with Il
    iliacrelating to ilium
    illunwell
    illegalagainst law
    illegitimateborn out of wedlock
    illicitillegal
    illiterateuneducated
    illogicalunreasonable
    illuminatingshedding light on subject
    illusiveimaginary
    illusoryimaginary
    illustrativeserving to illustrate
    illustriousextremely distinguished
    Adjectives starting with Im
    imaginaryin mind
    imaginativeskilled at visualizing or thinking originally
    imitativeattempting to copy something
    immaculateclean
    immanentwithin something
    immaterialnot relevant
    immaturenot fully developed
    immeasurablevast or huge
    immediatewithout pause or delay
    immemorialancient
    immensehuge
    imminentabout to occur
    immoderateexcessive
    immodestboastful
    immoraldefying moral principles
    immortalnever dying
    immovableunable to be moved
    immutableunchanging or unchangeable
    impartialnot biased
    impassableimpossible to use
    impassionedexpressing strong feelings
    impassiveexpressionless
    impatientannoyed at waiting
    impeccableperfect
    impenetrableimpossible to get in or through
    imperativenecessary
    imperceptibletiny
    imperfectfaulty
    imperialof empire or emperor
    imperiousarrogant
    imperishablethat will not decay
    impersonalnot personalized
    impertinentbrash
    imperturbableconsistently calm
    imperviousnot responsive
    impetuousacting impulsively
    impiousshowing lack of religious respect
    implacableimpossible to appease
    implicitimplied
    impoliterude
    impoliticunwise
    imponderablenot measurable
    importanthaving value or significance
    importedbring something in from abroad
    impossiblenot possible
    impotentsexually unable
    impoverishedmake somebody or something poor
    impracticablenot possible
    impracticalnot workable
    imprecisevague
    impressedaffect or please somebody greatly
    impressionisticundetailed
    impressivecausing admiration and respect
    improbabledifficult to believe
    impromptudone spontaneously
    improperunsuitable
    improvedstronger or healthier
    impudentrude
    impulsiveinclined to act on sudden urges
    Adjectives starting with In
    inaccessibledifficult to get to
    inaccuratenot correct
    inactivenot taking action
    inadequatenot enough or not good enough
    inadvertentresulting from carelessness
    inadvisablenot advisable
    inalienableimpossible to take away
    inanesilly
    inanimatedead or inert
    inapplicablenot applicable
    inappropriatenot appropriate
    inaptnot suitable
    inarticulateexpressing yourself poorly
    inattentivecareless
    inaudibleimpossible to hear
    inauguralrelating to inauguration
    inboardlocated inside boat's hull
    inborninnate
    incalculabletoo great to measure
    incandescentglowing with heat
    incapablelacking necessary ability
    incarnatemade human
    incautiouscareless
    incessantunceasing
    incestuousrelating to or involving incest
    incidentrelated to something
    incidentalrelated or accompanying
    incipientbeginning to develop
    incisivequick to understand
    inclementnot pleasant or mild
    inclinedmotivated to do something
    inclusiveincluding many things
    incoherentlacking clarity or organization
    incomingarriving
    incomparableunequaled in quality
    incompatibleunable to cooperate or coexist
    incompetentbad at doing something
    incompletelacking part
    incomprehensiblebeyond understanding
    inconceivableunimaginable
    inconclusivenot decisive
    incongruousunsuitable or odd
    inconsequentialunimportant
    inconsiderablesmall
    inconsistentcontaining conflicting or contradictory elements
    inconspicuousnot obvious
    incontestableindisputable
    incontrovertibleundeniable
    inconvenientcausing difficulties
    incorrecterroneous
    incorrigibleimpossible to change
    incorruptibleincapable of being corrupted
    increasedlarger
    incrediblebeyond belief
    incumbentobligatory
    incurableimpossible to cure
    indebtedin debt
    indecentoffending public moral standards
    indecipherableillegible or incomprehensible
    indecisiveunable to decide
    indefatigableuntiring
    indefensiblepermitting no excuse
    indefinableincapable of definition
    indefiniteunlimited
    indelibleimpossible to remove or alter
    indelicatetactless or offensive
    independentnot controlled by another
    indescribableimpossible to describe
    indestructibleimpossible to destroy
    indeterminatenot known exactly
    indianrelating to India
    indicativeindicating existence or truth
    indifferentwithout care or interest
    indigenousbelonging to a place
    indigentextremely poor
    indigestibledifficult to digest
    indignantangry at unfairness
    indirectnot in straight line
    indiscreetcarelessly tactless
    indiscriminateunselective
    indiscriminatingwithout discrimination
    indispensablenecessary
    indistinctunclear
    indistinguishablevery like somebody or something else
    individualseparable from others
    individualisticindependent thinker
    indivisiblenot separable
    indolentlazy
    indomitableunconquerable
    indoorin a building
    indubitablenot to be doubted
    indulgentpermissive or kind
    industrialof industry
    industriousworking diligently
    ineffableindescribable
    ineffectivenot producing desired result
    ineffectualincompetent or indecisive
    inefficientbadly organized
    ineligiblenot eligible
    ineluctableinevitable
    ineptunable to handle job
    inertmotionless
    inescapableinevitable
    inevitableunavoidable
    inexactnot precise
    inexcusableunpardonable
    inexhaustibleeverlasting
    inexorableunstoppable
    inexpensivecheap
    inexpertwithout skill
    inexplicableincomprehensible
    inexpressibleindescribable
    inextricableimpossible to escape from
    infalliblenot erring
    infamousnotorious
    infantjust beginning
    infantilechildish
    infectiouscommunicable
    inferiorlower in standing
    infertilesterile
    infinitenot measurable
    infinitesimaltiny
    infirmnot strong
    inflammatoryprovocative
    inflexibleunbending
    influentialable to influence
    informalfree of ceremony
    informativegiving information
    infraredof infrared radiation
    infrequentnot happening often
    ingeniousinventive
    ingloriousshameful
    ingratiatingseeking to please somebody
    inharmoniousdiscordant
    inherentbasic
    inhospitablenot welcoming
    inhumanvery cruel
    inhumanenot compassionate
    inimicalnot favorable
    iniquitousutterly harmful and wrong
    initialcoming at start
    injuredhurt somebody or something
    injuriouscausing injury
    inlandnot near coast or border
    innatepresent from birth
    innernear or closer to center
    innermostmost central
    innocentnot guilty
    innovativenew and creative
    innumerablecountless
    inoperabletoo far advanced for effective surgery
    inopportunebadly timed
    inorganicnot animal or vegetable
    inquisitiveinquiring
    insanelegally considered as psychiatrically disordered
    insatiablealways wanting more
    inscrutablemysterious
    insecurenot confident
    insensitivethoughtless
    inseparablealways together
    inshorenear the coast
    insidewithin organization
    insidiousgradual and harmful
    insignificantwithout importance
    insincerehypocritical
    insipiddull
    insistentpersistent
    insolentdisrespectful
    insolublenot dissolvable
    inspiringgenerating enthusiasm or creativity
    instantimmediate
    instantaneoushappening immediately
    instinctiveinvoluntary
    instructiveinformative
    instrumentalmaking something happen
    insubordinatedisobedient or rebellious
    insubstantialsmall and weak
    insufficientinadequate
    insultinghurtful and offensive
    insuperableunable to be overcome
    insurgentrebellious
    insurmountabletoo great to overcome
    intactnot damaged
    intangiblenonmaterial
    integralnecessary or constituent
    integratedcombined or composite
    intellectualrelating to thought process
    intelligentmentally able
    intelligibleunderstandable
    intenseextreme
    intensiveconcentrated
    intentwith fixed attention
    intentionaldeliberate
    intercontinentalbetween continents
    interdependentdepending on each other
    interestedcurious or concerned
    interestingarousing curiosity or attention
    interglacialperiod between ice ages
    interimhaving temporary effect
    interiorlocated inside
    intermediarymediating
    intermediatebeing in between
    interminableseemingly endless
    intermittentirregular
    internallocated inside
    internationalinvolving several countries
    internationalistfavoring international cooperation
    interpersonalof relationships between people
    interstateoccurring between states
    interstellaroccurring between stars
    interstitialrelating to gaps
    intimateclose
    intolerableimpossible to bear
    intolerantrefusing to accept differences
    intractabledifficult to deal with
    intramuralwithin school or institution
    intranasalin or into nose
    intrepidfearless
    intricatewith many parts artfully combined
    intrinsicbasic and essential
    introductorygiving foretaste
    introspectiveexamining feelings
    intrusiveappearing where unwelcome
    intuitiveknown automatically
    invalidflawed
    invaluablevery useful
    invariablenever changing
    invariantunchanging
    inventiveskilled at inventing
    inverseopposite or reversing
    investigativespecializing in investigating
    inveteratehabitual
    invincibleunbeatable
    inviolableunbreakable
    inviolateunaltered
    invisibleimpossible to see
    invitationalopen only to those invited
    invitingsuggesting pleasure
    involuntarycompelled
    involvedcomplicated
    invulnerableunable to be hurt
    inwardinside
    Adjectives starting with Io
    ionicrelating to charged atoms or groups
    Adjectives starting with Ir
    iratevery angry
    irishof Ireland
    irksomeannoying
    ironmade of iron
    ironicinvolving irony
    irrationallacking in reason
    irreconcilableincompatible
    irredeemablewithout hope of improvement
    irreducibleincapable of being decreased
    irregularnot of uniform appearance
    irrelevantnot applicable
    irremediableincapable of being remedied
    irreparablenot repairable
    irresistibleoverpowering
    irresoluteincapable of deciding
    irresolvableimpossible to resolve into component parts
    irresponsiblenot caring
    irreverentdisrespectful
    irreversibleincapable of reversal
    irrevocableimpossible to revoke
    irritableeasily annoyed
    irritatingannoy somebody
    Adjectives starting with Is
    isolatedremote
    isotonicof muscle tension and contraction
    isotropichaving direction-independent properties
    Adjectives starting with It
    itineranttraveling on job
    Adjectives starting with

    Adjectives that start with