13-Letter Words Starting with I

English word

ICHTHYOFAUNA

Ichthyofauna

Ichthyology

""One versed in, or who studies, ichthyology.""

Idealization

Exact sameness

""A character or symbol representing an idea or a thing without expressing the pronunciation of a particular word or words for it, as in the traffic sign commonly used for "no parking" or "parking prohibited." Also called ideograph .""

In stupid way, securing degree, as expressed in particular language

Idiomatic

Eccentric; dictionary (sic) (anagram)

Peculiar to the individual

Peculiar or individual

Illiquidity

ILLOCUTION

Rimbaud work

2 +15's display of examples of bookish monks' work (wordplay)

Lights

ILLUSIONIST One given to illusion; a visionary dreamer.

Pictures (in a book)

False perceptions about retro art and origin of terrific drawings (wordplay)

Pictures

In a illustrious manner; conspicuously; eminently; famously.

In a creative way

Creatively

IMAGISTIC

Imitative

IMMANENTIST

""The doctrine that immaterial substances or spiritual being exist, or are possible.""

""One who believes in or professes, immaterialism.""

""The state or quality of being immaterial or incorporeal; as, the immateriality of the soul. as, the immateriality of the soul.""

To render immaterial or incorporeal.

""The quality or relations of being immediate in manner, place, or time; exemption from second or interventing causes.""

IMMIGRATION The act of immigrating; the passing or coming into a country for the purpose of permanent residence.

""Incapability of being mixed, or mingled.""

Immoderation

IMMORTALISE

Immortality

Immortalizer

IMMORTALIZE To render immortal; to cause to live or exist forever.

Immunization

Person associated with (-ist)

IMMUNOGEN any substance that produces immunity when introduced into the body.

Medical specialists - is slumming, too (anagram)

English word

Type of allergy treatment

Immutable

The quality of being impalpable.

""Impossible to pass, cross, or overcome: impassable roads; impassable problems.""

The quality or condition of being impassible; insusceptibility of injury from external things.

Impassivity

""The quality of being impeccable; exemption from sin, error, or offense.""

The state of being impecunious.

Flea's alarmed discovery (wordplay)

Impossible to feel

Too slight to be noticed

IMPERCEPTIBLE Not perceptible; not to be apprehended or cognized by the souses; not discernible by the mind; not easily apprehended.

They're not right? That's right

IMPERFECTIVE imperfect

The state of being imperfect.

Expansionist

Impermanent

The quality of being impersonal; want or absence of personality.

IMPERSONATE To invest with personality; to endow with the form of a living being.

Pretence of being another person

Pretending to be someone else

Pretence of being someone else

They take others off ropes in a storm at sea

They take off more points as boxer finally reels

Impertinence

In an impertinent manner.

Calm after suffering a terrible bump

Cool as a cucumber

Keeping calm

In an imperturbable manner; calmly.

Impetuosity

Impetuous

Remorselessness from rogue - account hiding large gift

Implantation

By implication.

Impolitical

Importunate

Importunity

Something not able to happen

What cannot be

Impossible to carry out

Unable to be done

Not feasible

In an impracticable manner.

Impractical

Impregnation

Is he taking off as an artist (wordplay)

He takes off with a Monet, maybe

Ape suit wearer (wordplay)

Imprisonment

Unlikelihood

I unhappily permit poser to accept one's mistakes

The state or quality of being improvable; improvableness.

In a improvident manner.

Jam session activity

Ad lib performance

Ad-libbed bit

See Improvvisatore. Improvvisatore.

English word

Improvisator

Of or pertaining to improvisation or extemporaneous composition.

Impulsivity

Inactivation

Inadvertence

In an unguarded moment

By accident

Accidentally

The quality or state of being inanimate.

Wrong trousers cut below hip

Out of place

Out of keeping

Inarticulate

Inattentive

Inauguration

""INCANTATION The act or process of using formulas sung or spoken, with occult ceremonies, for the purpose of raising spirits, producing enchantment, or affecting other magical results; enchantment.""

Notable

Hamstrings

Locking up in vehicle, reacting strangely

Judicial confinement

Imprisonment

Confinement

INCARDINATE

Serious burnings

INCLINATION

Inclinometer

Revenue accepted but Libs protest - not a burning issue

Fireproof

Incommodity

Incompatible

Incompetence

Ineptly

Incongruent

Incongruity

Not consecutive; not in sequence inconsecutively   adv

Thoughtless of others

Cretins with no idea turning rude

Lacking thought for others

Inconsistency.

Variability (of opinion, performance)

Lack of a harmonious uniformity

Inherent self-contradiction

Inconstancy

Popular and match fit, beyond dispute

Stolen cabinet is damaged, for sure

Can be in competition, to be sure

""INCONTESTABLE Not contestable; not to be disputed; that cannot be called in question or controverted; incontrovertible; indisputable; as, incontestable evidence, truth, or facts. as, incontestable evidence, truth, or facts.""

Incontinence

""In an incontinent manner; without restraint, or without due restraint; used esp. of the passions or appetites.""

""Not convertible; not capable of being transmuted, changed into, or exchanged for, something else; as, one metal is inconvertible into another; bank notes are sometimes inconvertible into specie. as, one metal is inconvertible into another; bank notes are sometimes inconvertible into specie.""

In an inconvertible manner.

Including as a part

Fantastic Gran Torino pic is absorbing

""The act of incorporating, or the state of being incorporated.""

""Incorporating or tending to incorporate; as, the incorporative languages (as of the Basques, North American Indians, etc. ) which run a whole phrase into one word. as, the incorporative languages (as of the Basques, North American Indians, etc. ) which run a whole phrase into one word.""

Incorporator

The quality of being incorrect; want of conformity to truth or to a standard; inaccuracy; inexactness; as incorrectness may in defect or in redundance. incorrectness may in defect or in redundance.

Proof against decay or bribery

Honest, and disposed to err in public

Not subject to decay

In an incorruptible manner.

""INCORRUPTION The condition or quality of being incorrupt or incorruptible; absence of, or exemption from, corruption.""

Freedom or exemption from decay or corruption.

The quality or state of being incredible; incredibleness.

Incredulity

Incremental

Putting the blame on

Implicating

The making of someone to appear guilty

Suggesting guilt

Incrustation

Incuriosity

One feeling bad at poorly patient

Tireless debating if ale is drunk

Tireless in pursuit of weight control (wordplay)

Without weariness; without yielding to fatigue; persistently.

Alone and unaided

The state or quality of being indeterminate.

Tea and dinner-time strangely uncertain

Not precisely fixed

Comically entertained? I'm not sure

State of indecision

Attitudes ()

In mediocre style

Indigestible

Indiscretion

It's in the nature of a mild attack

State of being unwell or unfit

Slight illness

Having nothing distinctive; common.

One with an independent outlook

One showing independence

Highly independent one

Uniqueness

INDIVIDUATE Undivided.

The act of individuating or state of being individuated; individualization.

Driven to accept ideas without question

Brainwashed? Not I - and with credit in order

Brainwashed

Indoctrinate

""INDOCTRINATE To instruct in the rudiments or principles of learning, or of a branch of learning; to imbue with learning; to instruct in, or imbue with, principles or doctrines; to teach; often followed by in. in.""

Indomethacin

Industrial

Devotion to industrial pursuits; labor; industry.

Businessman - distrust in Ali (anagram)

Businessman - I trail nudists (anagram)

Businessman first to follow river Test

""To make industrial; to develop so that most of the working population is engaged in non-agricultural labor; to develop economically; -- of nations or geographical areas; as, to industrialize underdeveloped nations.as, to industrialize underdeveloped nations.""

With hard work

Incapable of being educated.

In an ineffective manner; without effect; inefficiently; ineffectually.

Without effect; in vain.

Inefficient

""Marked by or accepting of social, economic, or political inequality.""

The lack of qualifications (for something)

Impossibility to be avoided or shunned; inevitableness.

Inexactitude

Inexactness

Impossible to use up

Tireless

""INEXHAUSTIBLE Incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent; as, inexhaustible stores of provisions; an inexhaustible stock of elegant words. as, inexhaustible stores of provisions; an inexhaustible stock of elegant words.""

""The quality of being inexorable, or unyielding to entreaty.""

Not <?/<?/pediently; unfitly.

Inability to make a mistake

Freedom from error

Never-wrong state

Infantility

INFANTILIZE

The state of being infeasible; impracticability.

Infectivity

By way of inference.

Inferiority

Infertility

Infiltration

Small and barely discernible

Very, very small

Start of the commentary

Inflammation

Inflationism

Inflationist

""The quality or state of being inflexible, or not capable of being bent or changed; unyielding stiffness; inflexibleness; rigidity; firmness of will or purpose; unbending pertinacity; steadfastness; resoluteness; unchangeableness; obstinacy.""

In an influential manner.

Informality

Relating to knowledge or data

Informative

Informatory

Infotainment

Infringement

Infuriating

Ingratiation

""INGURGITATE To swallow, devour, or drink greedily or in large quantity; to guzzle.""