13-Letter Words Starting with I

Works of art for military bases

Quality of being instantaneous.

Done in a moment

Occurring with no delay

On-the-spot

INSTANTIATE

INSTANTIATE INSTANT a very short time

Instantness

Instauration

Instillation

Instinctual

Unappealing or monotonous

Impersonal, unappealing

Providing education

Educative

Instrumental

Disobedient in playing outside barn

Refusing to obey authority

Resistant antibodies run amok

Taliban is nuts blowing up weak

Lacking solidity

Tenuous

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.""

The lack of a physical presence

The quality of being integrable.

Integrality

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

Brains in order, working at clues

Persons of special enlightenment.

Smart set*

Intemperance

In an intemperate manner; immoderately; excessively; without restraint.

Inteneration

Intensional

That's meant and no mistake

INTERACTION Intermediate action.

Interactive

BEHAVIOR conduct

""INTERCALATE To insert, as a day or other portion of time, in a calendar.""

""The insertion of a day, or other portion of time, in a calendar.""

Like electrical signals in the body Toyota (nonverbal)

Interchain

Interchanger

CHANGING change

Among certain regions.

COMMUNAL belonging to the community

COMPARED compare

Intercompare

CORTICAL pertaining to a {cortex=n}

CULTURAL relating to culture

Interdental

Interlock like fingers of clasped hands

FAMILIAL pertaining to a {family=n}

English word

Like the Enterprise in "Star Trek"

Relating to empty space

Relating to deep space

Interglacial

Intergraft

GRANULAR composed of granules

""The act of interlacing, or the state of being interlaced; also, that which is interlaced.""

Interlayer

Interlinear

MARGINAL anything in or on a margin

Wedding between different groups

Union of persons from different groups

Wedlock between persons from different social groups

Intermarry

MEDIATED mediate

Acts as a peacemaker

Timed trainees changing racing tyres

Trainees timed changing tyres

""MEMBRANE a thin, pliable layer of tissue""

METALLIC a fabric or yarn coated with metal

MOUNTAIN a high hill

INTERNALISE Same as internalize.

Internality

INTERNALIZE to incorporate within oneself.

Cover race between countries

Rallying song since 1871.

Game played between countries

NEURONAL pertaining to a {neuron=n}

OPERABLE {usable=adj}

PANDEMIC a widespread disease

PARTICLE a very small piece or part

""INTERPELLATE To question imperatively, as a minister, or other executive officer, in explanation of his conduct; generally on the part of a legislative body.""

Interpellate

""INTERPELLATE To question imperatively, as a minister, or other executive officer, in explanation of his conduct; generally on the part of a legislative body.""

PERMEATE to spread through

Relating to relationships

Relating to relationships between people

Interplant

PLEADERS pleader

Interplead

INTERPOLATE To renew; to carry on with intermission.

Police worldwide at one about spurious entry

Interjection

INTERPOLATE To renew; to carry on with intermission.

Alert to prison riot - there's people breaking in!

Admitting of interpretation; capable of being interpreted or explained.

PROXIMAL located near the point of origin

Interracial

REGIONAL something that serves as a region

RELATING relate

Connection to one another

Interrogatee

""INTERROGATE To question formally; to question; to examine by asking questions; as, to interrogate a witness. as, to interrogate a witness.""

Can Spring be far behind (wordplay)

The third degree

"Can Spring be far behind?"

Mash or vinaigrette? Say when

Worried, I got nervier at questioning

In the form of a question

Interrogator

Conservative after turning angrier to questioning

Intersexual

SOCIETAL pertaining to a {society=n}

Interstadial

To put or insert between other strata.

TERMINAL an end

Intertillage

Practitioner travelling by lake between two hot lines

Intimidation

Intoxicated

Intoxication

""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.""

Occurring or situated within the cerebrum: an intracerebral hemorrhage.

Intradermal

Occurring or situated within the space of a galaxy.

Within a muscle: an intramuscular injection.

""Refusing to moderate a position, especially an extreme position; uncompromising.""

Refusal to budge

Pigheadedness a sign in recent changes

Stubborn refusal to compromise

Intransigent

Intraocular

Existing or occurring within the individual self or mind.

Intrapreneur

Arising or occurring within a species: intraspecific competition.

Intrathecal

Within the thora<?/ or chest.

Within blood vessels or a blood vessel.

Intravenous

The state or quality of being intricate; intricacy.

Internally; <?/n its nature; essentially; really; truly.

English word

Invagination

Invalidation

The quality of being invariable; invariableness; constancy; uniformity.

Inventorial

Invertebrate

The work of inquiring into something thoroughly and systematically.

Testing a vino I fancy for research

Inquiry as it is no vintage brew

Making enquiries

Like journalism that exposes wrongdoing

Concerned with detective work

Like a form of journalism exposing malpractice

Investigator

Pertaining to formal inquiries

Making enquiries

Inviability

Invigilation

Invigoration

The quality or state of being inviolable; inviolableness.

Inviolate

Invitational

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

Ipsilateral

Irascible

""IRRATIONAL Not rational; void of reason or understanding; as, brutes are irrational animals. as, brutes are irrational animals.""

IRRATIONALISE irrational

Absence of logic

Lack of logic

Incapable of being reclaimed.

IRRECLAIMABLE Incapable of being reclaimed.

Gone for ever

Lost forever

""IRRECOVERABLE Not capable of being recovered, regained, or remedied; irreparable; as, an irrecoverable loss, debt, or injury. as, an irrecoverable loss, debt, or injury.""

Things not germane (to current topic)

Peel lacier bra off, precious!

Without any substitute

Cannot be substituted

IRREPLACEABLE

Not able to be recovered

Ever irritable after programming what purged data may become (wordplay)

In an irretrievable manner.

Proneness to anger

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.

English word

Isoantibody

""A compound, C 12 H 13 N 3 O 2 , used as an antidepressant.""

Isolationism

Isolationist

ISOMERIZE ISOMERE an organ corresponding with another

Isometrical

Isoprenaline

ISOSMOTIC having the same or equal osmotic pressure; isotonic; -- used of solutions. Contrasted with hypertonic and hypotonichypertonic and hypotonic

""ISOSTATIC Subjected to equal pressure from every side; being in hydrostatic equilibrium, as a body submerged in a liquid at rest; pertaining to, or characterized by, isostasy.""

""ITALICIZE To print in Italic characters; to underline written letters or words with a single line; as, to Italicize a word; Italicizes too much. as, to Italicize a word; Italicizes too much.""