13-Letter Words Starting with I

In an inquisitive manner.

Searchingly questioning

Prying

Insalubrity

Insanitation

Unending craving

The state of being insatiate.

INSCRIPTION The act or process of inscribing.

Inscriptive

Having a diet of ants etc

Like, eg, anteaters

Eating bugs

Insemination

""The state or quality of being insensible; want of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates. as, the insensibility produced by a fall, or by opiates.""

Insensitive

""INSENSITIVE Not sensitive; wanting sensation, or wanting acute sensibility.""

Gradual change with harmful effect

Too small to worry about

Financing IT is reviewed as very minor

Too small to matter

Insincerity

By insinuation.

The quality of being insociable; want of sociability; unsociability.

INSOLUBILIZE

Insolubilize

The quality or state of being insoluble; insolubility

Inspectorate

The office of an inspector.

Iranian plot is strangely stirring

(Of idea) sudden, brilliant

Generating an elevated feeling

Inspiriting

Inspissation

Instability

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

Naturally.

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.""

Integrality

INTELLECTION A mental act or process; especially: (a) The act of understanding; simple apprehension of ideas; intuition. Bentley. (b) A creation of the mind itself. (a) The act of understanding; simple apprehension of ideas; intuition. Bentley. (b) A creation of the mind itself.

Brains in order, working at clues

Persons of special enlightenment.

Smart set*

Intelligence

Intemperance

Inteneration

Intenseness

Intensional

The quality or state of being intensive; intensity.

Plural noun or verb form

""INTERCEPTION The act of intercepting; as, interception of a letter; interception of the enemy. as, interception of a letter; interception of the enemy.""

Intercession

Interchanger

Intercompare

Interconnect

Interconvert

Intercross

Plural or third person singular

DICTIONS diction

DIFFUSED diffuse

Interdiffuse

DISTRICT to divide into localities

In an interesting manner.

Interference

Interglacial

INDUSTRY a group of productive enterprises

Interinvolve

INTERIORISE to incorporate within oneself; same as interiorize.interiorize.

Interiority

""INTERJECTION The act of interjecting or throwing between; also, that which is interjected.""

Interlocutor

Intermeddler

Acts as a peacemaker

Timed trainees changing racing tyres

Trainees timed changing tyres

Breaks between acts

Intermixture

INTERNALISE Same as internalize.

Internality

OBSERVER one that {observes=v}

Interoceptor

Interpellate

Relating to relationships

Relating to relationships between people

PLEADERS pleader

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

""The act of interposing, or the state of being interposed; a being, placing, or coming between; mediation.""

Interrogatee

Interrogator

They may be pardoned

Temporary cessations

Places where roads cross

Plural noun (-ments)

Intersession

Intersexual

SOCIETAL pertaining to a {society=n}

SPECIFIC a remedy intended for a particular disease

SPERSING sperse

Scattering between other things

Entire prison's broken out, scattering

Interstadial

STIMULUS an agency that produces a response

To put or insert between other strata.

Intertillage

Intertwist

INTERVENTION The act of intervening; interposition.

WORKINGS working

Intimidation

Intoxication

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

Existing or occurring within the individual self or mind.

Intrapreneur

Arising or occurring within a species: intraspecific competition.

Within blood vessels or a blood vessel.

Intravenous

Intrepidity

The state or quality of being intricate; intricacy.

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

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

English word

The act of going in; entrance.

Infiltration of the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid with one of its parents.

INTROJECTION introject

Intromission

Introspect

Manage to insert topic on reflection

Examination of one's thoughts

Examination of one's inner feelings

Given to study of one's inner self

Given to self-examination

Inward-looking

Introversion

Invasive quality

Intuitionism

Intuitionist

Intuitive

Intumescence

Intussuscept

Invagination

Invalidation

Invective

Inveiglement

Creativity

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

Invidious

Invigilation

Invigoration

Inviolate

The quality or state of being invisible; invisibility.

Invitational

Plural or third person singular

""(Life Sciences & Allied Applications / Biochemistry) Biochem a technique for studying neurotransmitters in the brain by the application of experimental solutions to the tissues through fine glass electrodes [from Greek iont-, ion, from ienai to go + -phoresis ]""

Ipsilateral

Irascible

Irksomeness

Ironmongery

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

IRRATIONALISE irrational

Things not germane (to current topic)

One who is irreligious.

In an irreligious manner.

Too lively to control

Not willing to be restrained

Not capable of being controlled

In a manner or to a degree that can not be repressed.

Congressman's uncertainties (wordplay)

Prison rebel is turning reckless ...

*Van Heusen/Cahn classic

Unaccountable or unreliable

So as not to be responsible.

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.""

English word

Isochronous

Having equal numbers of electrons or the same electronic configuration.

Isolationism

Isolationist

ISOMERIZE ISOMERE an organ corresponding with another

Isometrical

Isoprenaline

English word

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.""

Isotonicity