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4 : the act of inquiring

— in·quis·i·tor noun

— in·quis·i·to·ri·al adjective

in·quis·i·tive adjective 1 : given to examination or investigation

2 : unduly curious

— in·quis·i·tive·ly adverb

Synonyms

curious, nosy, prying—more at CURIOUS

in·quis·i·tive·ness noun : the quality or state of being inquisitive

in re preposition : in the matter of

INRI abbreviation [ORIGIN: L Iesus Nazarenus Rex Iudaeorum]

Jesus of Nazareth, King of the Jews

in·road noun 1 : a sudden hostile incursion : INVASION, RAID

2 : an advance made usu. at the expense of another

in·rush noun : a crowding or flooding in

ins abbreviation 1 inches

2 insurance

INS abbreviation Immigration and Naturalization Service

in·sa·lu·bri·ous adjective : UNWHOLESOME, NOXIOUS

ins and outs noun plural 1 : characteristic peculiarities

2 : RAMIFICATIONS

in·sane adjective 1 : exhibiting serious and debilitating mental disorder; also : used by or for the insane

2 : ridiculously unreasonable, unsound, or incongruous : ABSURD

— in·sane·ly adverb

Synonyms

[1] crazy, cuckoo, deranged, loco, lunatic, mad, nuts, nutty, screwy, unsound, wacky; also off; aberrant, delusional, disordered; eccentric, odd, queer, strange; foolish, senseless, witless; irrational, unreasonable; berserk, delirious; depressed; distraught, frantic, frenzied, hysterical

Antonyms

balanced, sane, sound

[2] absurd, bizarre, crazy, fanciful, fantastic, foolish, nonsensical, preposterous, unreal, wild—more at FANTASTIC

in·san·i·ty noun 1 : a deranged state of the mind usu. occurring as a specific disorder (as schizophrenia)

2 : extreme folly or unreasonableness; also : something utterly foolish or unreasonable

Synonyms

[1] aberration, dementia, derangement, lunacy, madness, mania; also irrationality, unreasonableness; delirium, frenzy, hysteria; neurosis, psychosis, schizophrenia; delusion, hallucination, obsession, phobia; abnormality, unsoundness

Antonyms

mind, sanity

[2] absurdity, asininity, balminess, craziness, daftness, fatuity, folly, foolishness, inanity, lunacy, madness, silliness, simplicity, zaniness

in·sa·tia·ble adjective : incapable of being satisfied

— in·sa·tia·bil·i·ty noun

— in·sa·tia·bly adverb

in·sa·tiate adjective : INSATIABLE

— in·sa·tiate·ly adverb

in·scribe verb 1 : to write, engrave, or print as a lasting record

2 : to enter on a list : ENROLL

3 : to write, engrave, or print characters upon

4 : to dedicate to someone

5 : to draw within a figure so as to touch in as many places as possible

— in·scrip·tion noun

Synonyms

[2] catalog, enroll, enter, index, list, put down, record, register, schedule, slate—more at LIST

[3] engrave, etch, grave, inscribe—more at ENGRAVE

in·scru·ta·ble adjective : not readily comprehensible : MYSTERIOUS

— in·scru·ta·bly adverb

Synonyms

cryptic, darkling, deep, enigmatic, impenetrable, mysterious, mystic, occult, uncanny—more at MYSTERIOUS

in·seam noun : the seam on the inside of the leg of a pair of pants; also : the length of this seam

in·sect noun [ORIGIN: L insectum, fr. insectus, pp. of insecare to cut into, fr. secare to cut]

: any of a class of small usu. winged arthropod animals (as flies, bees, beetles, and moths) with usu. three pairs of legs as adults

in·sec·ti·cide noun : an agent for destroying insects

— in·sec·ti·cid·al adjective

in·sec·tiv·o·rous adjective : feeding on insects

in·se·cure adjective 1 : UNCERTAIN

2 : not protected : UNSAFE

3 : not firmly fastened or fixed : LOOSE

4 : not highly stable; also : lacking assurance : ANXIOUS, FEARFUL

— in·se·cure·ly adverb

Synonyms

lax, loose, relaxed, slack—more at LOOSE

in·se·cu·ri·ty noun : the quality or state of being insecure

Synonyms

instability, precariousness, shakiness, unsteadiness—more at INSTABILITY

in·sem·i·nate verb -nat·ed; -nat·ing : to introduce semen into the genital tract of (a female)

— in·sem·i·na·tion noun

in·sen·sate adjective 1 : lacking sense or understanding; also : FOOLISH

2 : INANIMATE