indistinguishing
Making no difference; indiscriminate; impartial.

indisturbable
Archaic form of undisturbable.

individed
Not divided.

individuall
Obsolete form of individual.

individualls
plural of individuall

indivinable
Obsolete form of undivinable.

indole
An organic compound, C₈H₇N, found in coal tar, and produced in the gut by the bacterial decomposition of tryptophan; it is an aromatic bicyclic heterocycle having a benzene ring fused with a pyrrole ring; indole and its derivatives occur widely in nature and have many industrial applications.
Any of the derivatives of indole.

indoles
plural of indole

indomable
Obsolete form of indomitable.

indomite
untamed; savage; wild

indorsable
Archaic form of endorsable.

inducteous
Rendered electropolar by induction, or brought into the opposite electrical state by the influence of inductive bodies.

inductric
Relating to electric induction.

indurable
Archaic form of endurable.

indutive
covered; applied to seeds which have the usual integumentary covering.

inebrious
intoxicated; drunk
intoxicating

ineffectible
ineffectual; impracticable

ineffectuall
Obsolete form of ineffectual.

ineffervescent
Not effervescent.

inemendable
Obsolete form of unemendable.

inemotive
Archaic form of unemotive.

inenergetic
Archaic form of unenergetic.

inequalitarian
An inegalitarian.

inequalitarians
plural of inequalitarian

inequilobate
Unequally lobed; divided into lobes of different shapes or sizes.

inergetic
Having no energy; sluggish.

inerring
Archaic form of unerring.

inexcogitable
unimaginable; unable to be imagined; inconceivable or mind-boggling

inexecrable
That cannot be execrated enough.

inexhalable
Incapable of being exhaled.

inexistant
nonexistent; that does not exist

inexpectable
Not to be expected or anticipated.

inexpected
Obsolete form of unexpected.

inexpiate
Not appeased or placated.

inexpiated
not expiated

inexsuperable
Not capable of being beaten; insuperable; insurmountable.

inextended
Not extended.

inextinct
Not quenched; not extinct.

inextinguible
Inextinguishable.

infalsificable
uncounterfeitable (of South American paper money)

infandous
Extremely odious

infantly
Like an infant; childlike.

infashionable
Obsolete form of unfashionable.

infatigable
indefatigable

infect
To bring (the body or part of it) into contact with a substance that causes illness (a pathogen), so that the pathogen begins to act on the body; (of a pathogen) to come into contact with (a body or body part) and begin to act on it.
To contaminate (an object or substance) with a pathogen.
To make somebody enthusiastic about one's own passion, or to communicate a feeling to others, or a feeling communicating itself to others.

infectuous
Obsolete form of infectious.

infecundous
infertile; barren; unprofitable; unproductive

infelt
Felt inwardly or emotionally; heartfelt.

inferiour
Obsolete spelling of inferior.

inferiours
plural of inferiour

inferobranchiate
Having the gills on the sides of the body, under the margin of the mantle; belonging to the Inferobranchiata.

inficete
Lacking wit.

infidelic
Infidel; lacking religious faith.

infidelical
Alternative form of infidelic.

infinit
Obsolete spelling of infinite.

infinitant
Serving to negate.

infinituple
Multiplied an infinite number of times.

infirmative
Tending to weaken, annul, or make void.

infissile
Obsolete form of unfissile.

inflammative
inflammatory

inflative
Of an inflating quality or tendency.

inflexive
inflective
inflexible

influxious
influential

influxive
Having a tendency to flow inward.
Having influence; influential.

informidable
Not formidable; not to be feared or dreaded.

infrabestial
Below even the level of an animal; utterly subhuman.

infrahuman
Below the level of the human.
Below the level of the human.

infrigidative
cooling

infructuose
Not yielding fruit.
unfruitful; unprofitable

infructuous
Not fruitful.

infundibularform
infundibular; funnel-shaped

infusories
plural of infusory

infusory
One of the Infusoria, a former class of microscopic animals.

ingeldable
Not geldable; not subject to taxation.

ingenit
Alternative form of ingenite.

ingenite
Innate, inborn.

ingirt
surrounded, encircled

ingleside
Beside an open fireplace.

ingluvious
gluttonous

ingracious
ungracious; unkind.

ingrate
Ungrateful.
Unfriendly; unpleasant.

ingratefull
Obsolete form of ingrateful.

ingrates
plural of ingrate

ingravescent
Increasing in severity.

inguilty
Not guilty.

ingustable
tasteless; insipid

inhabile
Not apt or fit; inappropriate; unsuitable.
Unskilled, awkward, or incompetent.

inhabitable
Fit to live in; habitable.

inimaginable
unimaginable; inconceivable

inimicitious
Inimical; unfriendly, hostile.

inimicous
Obsolete form of inimical.

iniquous
Synonym of iniquitous.

inirritable
Incapable of being stimulated into action, as a muscle.

inirritative
Not accompanied with excitement.

initiary
Initial; beginning.

initiative
Serving to initiate.
In which voter initiatives can be brought to the ballot.

injellied
Placed in jelly.

inken
made of or written with ink

inkneed
knockkneed

inland
Within the land; relatively remote from the ocean or from open water; interior.
Limited to the land, or to inland routes; not passing on, or over, the sea.
Confined to one country or state; domestic; not foreign.
Of a sophisticated background, especially as relates to a royal court or national capital.

inlands
plural of inland

inly
Inward; interior; secret.

inmore
Obsolete form of innermore (comparative form of inner: more inner).

innative
native
innate

innitial
Obsolete spelling of initial, nowadays a common misspelling.

innocente
Obsolete form of innocent .

innubilous
Cloudless.

innuent
Conveying a hint; significant.

innutritive
Lacking in nutrition.

inobedient
Not obedient; disobedient.

inobnoxious
Not obnoxious.

inodorate
scentless; without an odour

inodorous
Odourless.

inoffending
Obsolete form of unoffending.

inofficious
Indifferent to obligation or duty.
Not officious; not civil or attentive.
Contrary to one's natural obligation or duty, as of a testament by which a child is unjustly deprived of inheritance.

inopinable
Not to be expected; inconceivable.

inopinate
Not expected, thought of, or looked for.

inorganic
Relating to a compound that does not contain carbon.
That does not originate in a living organism.
Not generated by the ranking algorithms of a search engine, but deliberately by promotional techniques.
Irregular

inorganical
Archaic form of inorganic.

inorganics
plural of inorganic

inoxidable
Synonym of unoxidizable.

inpatient
A patient whose treatment requires at least one night's residence in a hospital; a hospitalized patient.

inpatients
plural of inpatient

inpossible
Obsolete spelling of impossible.

inquirent
Making enquiry; questioning.

inquisible
Admitting judicial inquiry.

inquisitorious
inquisitorial.

inquisitous
inquisitive; curious

inraptured
enraptured

insapient
Not sapient.

insatiate
That is not satiated; insatiable.

inscriptioned
inscribed; marked with an inscription

insculpt
sculpted; carved

insculptured
engraved

insected
Resembling or relating to an insect.

inservient
Conducive; instrumental.

inshipped
simple past and past participle of inship

insignificative
Not expressing meaning
not significant.

insinuant
Insinuating; insinuative.

insistent
Standing or resting on something.
Urgent in dwelling upon anything; persistent in urging or maintaining.
Extorting attention or notice; coercively staring or prominent; vivid; intense.
Standing on end: specifically said of the hind toe of a bird when its base is inserted so high on the shank that only its tip touches the ground: correlated with incumbent.

insistive
insistent

insociable
Not sociable or companionable.
Incapable of being associated, joined, or connected.

insociate
unaccompanied; solo.

instinct
A natural or inherent impulse or behaviour.
An intuitive reaction not based on rational conscious thought.