13-Letter Words Starting with I

English word

ICHTHYOFAUNA

Ichthyofauna

With loss of face

Shamefully

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.

Immunization

Person associated with (-ist)

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

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

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

Of or pertaining to immunology.

Medical specialists - is slumming, too (anagram)

English word

Type of allergy treatment

Immutable

The state of being impecunious.

Impecunious

Imperious

Calm after suffering a terrible bump

Cool as a cucumber

Keeping calm

In an imperturbable manner; calmly.

Impetuosity

Impetuous

Importunate

Importunity

Tendency to act without forethought

Thoughtless haste

Impulsivity

Inarticulate

Inauguration

Inclusive

Revenue accepted but Libs protest - not a burning issue

Fireproof

Out of touch (wordplay)

Unable to be reached

In solitary confinement

Incongruence

Incongruent

Incongruity

In an out-of-place way

Inharmoniously

Not consecutive; not in sequence inconsecutively   adv

As a result

Popular party game, unfinished as a result

Not easily noticed

Not attracting attention

Not readily noticeable

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.

Incredulity

In an incredulous manner; with incredulity.

Incrustation

Incuriosity

Unconcernedness; incuriosity.

Individual

The quality of being individual; individuality; personality.

One with an independent outlook

One showing independence

Highly independent one

Uniqueness

""The mark as an individual, or to distinguish from others by peculiar properties; to invest with individuality.""

INDIVIDUATE Undivided.

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

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.

Without effect; in vain.

Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent.

Inexactitude

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.""

INFLUENCE A flowing in or upon; influx.

In an influential manner.

Infrequency

Infuriating

Infusibility.

Cleverness, originality

The state or quality of being ingenuous; openness of heart; frankness.

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

The act of swallowing greedily or immoderately; that which is so swallowed.

Not homogeneous or uniform inhomogeneity   [ɪnˌhəʊmədʒɪˈniːɪtɪ -ˌhɒm-] n

Inhumanness

In a foolish manner

The quality of being injurious or hurtful; harmfulness; injury.

Innocuous

Inoperculate

Not opportunely; unseasonably; inconveniently.

Inosculation

""Relating to inquiry or inquisition; inquisitorial; also, of or pertaining to, or characteristic of, the Inquisition.""

In an inquisitive manner.

Searchingly questioning

Prying

Insalubrity

Having a diet of ants etc

Like, eg, anteaters

Eating bugs

Gradual change with harmful effect

By insinuation.

INSOLUBILIZE

Insolubilize

The quality or state of being insoluble; insolubility

Done in a moment

Occurring with no delay

On-the-spot

Instauration

Instinctual

Unappealing or monotonous

Impersonal, unappealing

Providing education

Educative

Instructive

Instrumental

Instrument

Disobedient in playing outside barn

Refusing to obey authority

Resistant antibodies run amok

Taliban is nuts blowing up weak

Lacking solidity

Tenuous

(A) lack

Insufflation

Cool three drinks clutching bottle opener? It's dreadful!

""INSUPPORTABLE Incapable of being supported or borne; unendurable; insufferable; intolerable; as, insupportable burdens; insupportable pain. as, insupportable burdens; insupportable pain.""

Insurrection

Invulnerable

""INSUSCEPTIBLE Not susceptible; not capable of being moved, affected, or impressed; that can not feel, receive, or admit; as, a limb insusceptible of pain; a heart insusceptible of pity; a mind insusceptible to flattery. as, a limb insusceptible of pain; a heart insusceptible of pity; a mind insusceptible to flattery.""

""Belonging to, or composed of, integuments.""

Brains in order, working at clues

Persons of special enlightenment.

Smart set*

Plural noun or verb form

Like electrical signals in the body Toyota (nonverbal)

COMMUNAL belonging to the community

CULTURAL relating to culture

Plural or third person singular

DIFFUSED diffuse

Interdiffuse

GRANULAR composed of granules

INDUSTRY a group of productive enterprises

Interlocutor

""Consisting of, or having the nature of, dialogue; conversational.""

Intermixture

MOUNTAIN a high hill

NEURONAL pertaining to a {neuron=n}

Computer Science A signal to a computer that stops the execution of a running program so that another action can be performed.

They may be pardoned

Temporary cessations

Intersexual

STIMULUS an agency that produces a response

""Within a cell; as, the intracellular movements seen in the pigment cells, the salivary cells, and in the protoplasm of some vegetable cells. as, the intracellular movements seen in the pigment cells, the salivary cells, and in the protoplasm of some vegetable cells.""

Within a muscle: an intramuscular injection.

Intraocular

Intrapreneur

Within blood vessels or a blood vessel.

Intravenous

There's a proper how-do-you-do!

Invasive quality

Intuitionism

Intuitionist

Intuitive

Intumescence

Intussuscept

Invidious

In an involuntary manner; not voluntarily; not intentionally or willingly.

In an irreligious manner.

Congressman's uncertainties (wordplay)

An isoantibody normally present in the serum of an individual that causes the agglutination of the red blood cells of another individual of the same species.

Isochronous