15-Letter Words Starting with I

Ichthyosaurian

IDENTICALNESS The quality or state of being identical; sameness.

Airport agents see a lot of them

Security requests

*Customs requests Able to receive a soccer pass legally (nonverbal)

Ideographical

IDIOMATICNESS idiomatic

ILLOGICALNESS illogical

Immiscibility

IMMUNOCHEMIST

Having the normal bodily capacity to develop an immune response following exposure to an antigen.

""Pl. immunodeficiencies An innate, acquired, or induced inability to develop a normal immune response.""

Immunological

Impeccability

Impecuniosity

Income issue spun out causing insolvency

IMPERFECTNESS The state of being imperfect.

Implacability

Implicative

IMPRECISENESS imprecise

Like a traveler's journal, often

Describing a school of painting.

A la Renoir

The quality or state of being inaccessible; inaccessibleness.

The quality of being inapplicable; unfitness; inapplicableness.

The quality or state of being incalculable.

INCAPABLENESS The quality or state of being incapable; incapability.

Incapacitation

INCLUSIVENESS inclusive

Utterly.

""INCOMMENSURABLE Not commensurable; having no common measure or standard of comparison; as, quantities are incommensurable when no third quantity can be found that is an aliquot part of both; the side and diagonal of a square are incommensurable with each other; the diameter and circumference of a circle are incommensurable. as, quantities are incommensurable when no third quantity can be found that is an aliquot part of both; the side and diagonal of a square are incommensurable with each other; the diameter and circumference of a circle are incommensurable.""

""Not communicative; not free or apt to impart to others in conversation; reserved; silent; as, the messenger was incommunicative; hence, not disposed to hold fellowship or intercourse with others; exclusive. as, the messenger was incommunicative; hence, not disposed to hold fellowship or intercourse with others; exclusive.""

Being such that comparison is impossible; incommensurable.

A failure to get on together

Mismatch preventing coming together

Antagonistic state of things

Lack of understanding

Lack of understanding.

Ignorance

Absurdity of cunning ruse, so, so misguided

Not worth mentioning

Of little moment.

Lacking worth or importance

Without concern, angrily imprisoning knight with Spanish page

On account (of)

As a reward for, with "of"

Getting looked at

Clashes being nasty, niceness is tonic

Holes

Inconspicuous

Inconveniency

""INCONVENIENCE The quality or condition of being inconvenient; want of convenience; unfitness; unsuitableness; inexpediency; awkwardness; as, the inconvenience of the arrangement. as, the inconvenience of the arrangement.""

Incoordination

INCORRECTNESS 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.

The state or quality of being incorrigible.

INCORRUPTNESS Freedom or exemption from decay or corruption.

Incredibility

Incrementalism

Incrementalist

INCURIOUSNESS Unconcernedness; incuriosity.

The quality of being indefectible.

Restitution

Indeterminacy

INDETERMINIST

One little drink secures record likely to include name for being out of control

Markedly self-reliant

Laissez-faire

Indoctrination

Ineducability

Impossible to efface; indelible.

Quality of being ineffective.

Useless condition

Without efficacy or effect.

Incapable of being eradicated.

The quality of being inexcusable; enormity forgiveness.

Unaccountableness

A. So intricate or entangled as to make escape impossible: an inextricable maze; an inextricable web of deceit.

Infrastructure

The quality of being injudicious; want of sound judgment; indiscretion.

INNOCUOUSNESS innocuous

The quality or state of being inscrutable; inscrutability.

Insignificance

In a meaningless way

Insociability

Forte of Mr. Chips

Instructorship

*Deficits

Your inner racist turned out revolting

Rebel

Rebel creating revolutionary stir in countries

Little calumnies can create reasonable doctrine

One who overrates the importance of the understanding.

Egghead's thing

Genius's power

Give reasonable form to

Use reasoning rather than emotions

Process of making more extreme

Process of concentration

Getting more extreme, if CIA's muddled in aim

(Of things) that may be swapped over

Like some machine parts

Easy to swap out

CHANGEABLY In a changeable manner.

Like Ivy League games

Like some football games

Adjective for some athletic events

Intercommunion

Mutual comparison of corresponding parts.

Interconnect

Mutual link

Mutual linkage

""CONVERSION The act of turning or changing from one state or condition to another, or the state of being changed; transmutation; change.""

Interconvert

CORRELATED mutually related.

Intercorrelate

Intercultural

Theme of a J. F. K. address.

Togetherness, in a way.

Mutual reliance.

""Mutual dependence; as, interdependency of interests. as, interdependency of interests.""

Plural or third person singular

""ELECTRONIC Of or pertaining to an electron or electrons; as, electronic energy.as, electronic energy.""

Measuring wavelengths of light

Past tense or past participle

Interinfluence

""LACUSTRINE Found in, or pertaining to, lakes or ponds, or growing in them; as, lacustrine flowers.as, lacustrine flowers.""

Intermittency

NUCLEOTIDE a phosphate ester of a nucleoside; one of the monomeric components of DNA or RNA.DNA or RNA.

Inflected form of PERCEPTUAL Inflected form of PERCEPT something that is perceived

""PROVINCIAL Of or pertaining to province; constituting a province; as, a provincial government; a provincial dialect. as, a provincial government; a provincial dialect.""

Like some class conflicts (wordplay)

Like some debate club meetings

Describing certain athletics

SUBJECTIVE Of or pertaining to a subject.

Intracellular

Intracerebral

Intramuscular

Intransigeance

Intravascular

INTRICATENESS The state or quality of being intricate; intricacy.

""INTROSPECTION A view of the inside or interior; a looking inward; specifically, the act or process of selfexamination, or inspection of one's own thoughts and feelings; the cognition which the mind has of its own acts and states; selfconsciousness; reflection.""

""INTROSPECTIVE Inspecting within; seeing inwardly; capable of, or exercising, inspection; selfconscious.""

Intussuscept

The reception of one part within another.

Intussuscept

INVECTIVENESS invective

Invincibility

IONOSPHERIC

IRASCIBLENESS irascible

IRRATIONALIST

Irreconcilable

Irrevocable