13-Letter Words Starting with I

Ichthyology

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

Iconographer

Iconography

""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 .""

Ideological

Ignobleness

With loss of face

Shamefully

Illogical

The state or quality of being imaginary; unreality.

In a creative way

Creatively

IMAGISTIC

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

IMMORTALISE

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

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)

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

Impoverish

Impregnation

Inauguration

Locking up in vehicle, reacting strangely

INCARNADINE Fleshcolored; of a carnation or pale red color.

Incognizance

Incongruence

Incongruent

Incongruity

In an out-of-place way

Inharmoniously

Including as a part

Fantastic Gran Torino pic is absorbing

Incorrigible

Putting the blame on

Implicating

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.

Indigestible

INDIVIDUATE Undivided.

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

The lack of qualifications (for something)

INFANTILIZE

Infringement

Infuriating

Cleverness, originality

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

Ingratiation

Ingrownness

""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.

Pl. inhomogeneities Lack of homogeneity.

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

In an inorganic manner.

Too small to worry about

Financing IT is reviewed as very minor

Too small to matter

By insinuation.

Inspiriting

INSTANTIATE

Instrument

The lack of a physical presence

The quality of being integrable.

Integrality

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

""One who, or that which, sends or conveys intelligence or news; a messenger.""

Intelligence

In a sensible, thoughtful manner

In a sensible manner

Perceptively

Plural noun or verb form

Mixing blood lines

Mixing across races

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

Interchain

Interchanger

CHANGING change

CROPPING crop

Intercross

Interlock like fingers of clasped hands

In an interesting manner.

English word

Like the Enterprise in "Star Trek"

Relating to empty space

Relating to deep space

Interglacial

Intergraft

GRANULAR composed of granules

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

INTERIORIZE to incorporate within oneself.

Interlayer

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

The act of improperly interfering.

MINGLING the act of {mixing=v}

INTERNALISE Same as internalize.

INTERNALIZE to incorporate within oneself.

Interplant

Interplead

INTERPOLATE To renew; to carry on with intermission.

REGIONAL something that serves as a region

RELATING relate

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

Plural noun (-ments)

SPERSING sperse

Intertillage

Intertwist

WORKINGS working

Occurring or situated within the space of a galaxy.

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

Refusal to budge

Pigheadedness a sign in recent changes

Stubborn refusal to compromise

Intransigent

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.

Introspect

Invagination

Inveiglement

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

Invigilation

Invigoration

Ironmongery

One who is irreligious.

In an irreligious manner.

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.