inherent.adjective
built in, inbuilt; innate; inborn; involved in the constitution or essential character of something; belonging by nature or habit; intrinsic
inherently.adverb

incongruity.noun,.plural.incongruities
lack of harmony or agreement

incongruous.adjective
not congruous; unsuitable; lacking harmony; inappropriate

infidel.noun 
one who is not a Christian or who opposes Christianity; an unbeliever with respect to a particular religion; one who acknowledges no religious belief; a disbeliever in something specified or understood 
infidel also.adjective

inordinate.adjective
exceeding reasonable limits; immoderate
inordinateness.noun
inordinately.adverb
synonym.excessive

integral.adjective
necessary for completeness; a complete unit; a whole
integrable.adjective
that can be integrated
Mathematics.-.a definite integral; an indefinite integral

integrate, integrated, integrating, integrates.transitive verbs
to be part of a whole; to make whole or complete by adding or bringing together parts; unify; bring all parts together
integration, integrator.nouns
integrative, integrant.adjectives
an integral part
integrator.noun
a person or thing that integrates

integrity.noun
incorruptibility; completeness; soundness; the quality or state of being complete or undivided, for example in honesty; an unimpaired condition; firm adherence to a code of especially moral or artistic values ("Integrity is not a conditional word. It doesn't blow in the wind or change with the weather. It is your inner image of yourself, and if you look in there and see a man who won't cheat, then you know he never will." ...John D. MacDonald, novelist, 1916-1986)
synonym.honesty

imitate, imitated, imitating, imitates.transitive verbs
to use or follow as a mode; to copy the actions, appearance, mannerisms, or speech of; mimic.(amused friends by imitating the teachers); to copy or use the style of (brushwork that imitates Rembrandt); to copy exactly; reproduce; to appear like; resemble
imitator.noun

imitation.noun
the act or an instance of imitating; something derived or copied from an original
imitational.adjective

intimate.(in tuh mate), intimated, intimating, intimates.transitive verbs
inflected form(s).intimated; intimating
to communicate delicately, subtly and indirectly; hint; announce; suggest
intimater, intimation.nouns
intimation.noun

intimate2.(in tim it).adjective
marked by close acquaintance, association, or familiarity; personal; private (an intimate conversation); relating to or indicative of one's deepest nature (intimate prayers); essential; innermost (the intimate structure of matter); marked by informality and privacy (an intimate dinner); of or involved in a sexual relationship
intimate.noun
a close friend or confidant
intimately.adverb
intimateness.noun
intimacy.noun,.plural.intimacies
the condition of being intimate; an instance of being intimate

irrelevant.adjective
not relevant; inapplicable (that statement is irrelevant to your argument) 
irrelevantly.adverb

ilk.adjective
same kind, sort or class

insist, insisted, insisting, insists.verbs
intransitive verb senses.to be firm in a demand or course; refuse to yield (insisted on giving me another present)
transitive verb senses.to assert or demand (something) vehemently and persistently.(we insist that you accept these gifts
insistence.or.insistency.noun
insister.noun
insistingly.adverb

insistent.adjective
firm in asserting a demand or an opinion; unyielding; demanding notice (insistent hunger); repetitive and persistent (the jay's insistent cry)
insistently.adverb

importune.verb
inflected form(s).importuned; importuning
transitive verb senses-to press or urge with troublesome persistence; annoy; trouble 
intransitive verb senses.to beg, urge, or solicit persistently or troublesomely 
importuner.noun
importune.adjective
importunate 
importunely.adverb
synonym.beg

importunity.noun,.plural.importunities
an importunate request; an insistent or pressing demand. 2. The quality of being importunate.

incomprehensible.adjective
not comprehensible; can't be understood
incomprehensibility.or.incomprehensibleness.noun
incomprehensibly.adverb

inept.adjective
not suitable for the purpose; unfit; generally incompetent; lacking sense or reason; foolish; not suitable to the time, place, or occasion; bungling; awkward 
ineptitude.noun
an inept act or remark; the state of being inept, incompetent 
ineptly.adverb
ineptness.noun

inert.adjective
having inertia; without power to move or resist an opposing force

inspiration.noun
the effect of possession of an inspired idea 
inspire, inspired, inspiring, inspires.transitive verbs
to be 'in spirit'; guidance from God or influence exerted directly on the mind and soul of humankind as a lifting of the attitude to the soul level; to breathe into; to infuse and/or renew with life and increased energy; stimulation of the mind or emotions to a high level of feeling or activity; the condition of being so stimulated; to have an animating effect upon; to stimulate or impel toward creative or effective effort; the feeling to produce and participate in some way one possesses when he believes he now has the means to accomplish an objective; a prompting from an agency, such as a person or work of art, that moves the intellect or emotions or prompts action or invention; something, such as a sudden creative act or idea, that is inspired; the act of drawing in, especially the inhalation of air into the lungs
intransitive verb senses.to stimulate energies, ideals, or reverence (one who inspires by example)
inspirer.noun

inexorable.adjective
not capable of being persuaded by entreaty; relentless (an inexorable opponent; a feeling of inexorable doom); inflexible
inexorability.or.inexorableness.noun
inexorably.adverb

inharmonic.adjective
not harmonic; discordant

inharmony.or.disharmony.noun,.plural.inharmonies.or.disharmonies
lack of harmony; discord

inharmonious.or.disharmonious.adjective
not in harmony; discordant; not in accord or agreement
inharmonious.or.disharmonious.adjective
inharmoniously.or.disharmoniously.adverb
inharmoniousness.noun
no harmony; discordant; lacking in harmony

disharmonize, disharmonized, disharmonizing, disharmonizes.transitive verbs
to make disharmonious

impious.adjective
lacking reverence; not pious; lacking due respect or dutifulness (impious toward one's parents)
impiously.adverb
impiousness.noun

indefinite.adjective
not definite, especially unclear; vague; lacking precise limits (an indefinite leave of absence); uncertain; undecided (indefinite about their plans)
indefinitely.adverb
indefiniteness.noun

inherit, inherited, inheriting, inherits.transitive verbs
to receive (property or a title, for example) from an ancestor by legal succession or will; to receive by bequest or as a legacy; to receive or take over from a predecessor.(the new administration inherited the economic problems of the last four years)
intransitive use.to hold or take possession of an inheritance
inheritor.noun

insignia.also.insigne.noun,.plural.insignia.or.insignias
a badge of office, rank, membership, or nationality; an emblem; a distinguishing sign