frequently_asked_questions_files/Oxford Thesaurus.pdf

investigative, searching, exploring, analytical: Children have
a naturally inquisitive nature. 2 prying, intrusive, Colloq
snooping, snoopy, nosy or nosey: Don't be so inquisitive about
things that don't concern you!
inroad n. 1 incursion, raid, attack, invasion, penetration, foray,
encroachment, forced entry, intrusion: Our armoured units have
made an inroad into enemy territory. 2 Often, inroads.
advance(s), progress, breakthrough: Have researchers made
significant inroads into the problem of AIDS?
insane adj. 1 mad, demented, psychotic, schizophrenic, schizoid, non
compos mentis, manic, maniacal, lunatic, deranged, unbalanced,
psychoneurotic, neurotic, eccentric, crazy, of unsound mind,
crazed, unhinged, out of one's mind or head, mad as a hatter or
a March hare, quirky, Colloq round the bend or twist, off one's
rocker or chump, loopy, loony, certifiable, mental, screwy,
dotty, cuckoo, not all there, not have all one's marbles,
off-the-wall, out of it, Brit potty, Slang daft, nutty (as a
fruit cake), nuts, spaced out, spacy, batty, have bats in one's
belfry, not right upstairs, barmy (in the crumpet), crackers,
have a screw loose, schizo, Brit bonkers, US bugs, bughouse,
loco, crazy as a bedbug, (gone) off the deep end, kooky, kinky,
out to lunch: Witney was certified insane and
institutionalized. You're insane if you think I am going out on
that ledge. 2 stupid, dumb, dull, silly, asinine, ridiculous,
idiotic, irrational, absurd, fatuous, ludicrous, foolish,
nonsensical, irresponsible, reckless, wild, imbecilic, moronic,
feeble-minded, hare-brained, addle-pated, addle-brained,
scatterbrained, thimble-witted, attocerebral, Brit gormless,
Colloq nutty, screwy, crazy: People in love sometimes do insane
things.
insanity n. 1 madness, lunacy, mental illness or disorder, dementia
(praecox), psychosis, schizophrenia, (mental) derangement,
mania; psychoneurosis, neurosis: Because of the plea of
temporary insanity he never stood trial for the murders. 2
folly, foolishness, stupidity, idiocy, imbecility, lunacy,
absurdity, fatuity, fatuousness, nonsense, senselessness,
irresponsibility, irrationality, inanity: What insanity it was
to think I could win the lottery!
insecure adj. 1 uncertain, afraid, unsure, unconfident, nervous,