Crazy.
ETYM From Craze.
1. Insane; mentally deranged; SYN. insane, deranged, demented, psychologically disturbed.
2. Marked by foolish or unreasoning fondness; SYN. dotty, gaga, enamored, infatuated, in love, smitten, soft on, taken with.
3. Bizarre or fantastic.
4. (Informal) Possessed by inordinate excitement.
5. (Informal) Intensely enthusiastic about or preoccupied with.
6. (Informal) Foolish; totally unsound; SYN. half-baked, screwball, softheaded.
ETYM Old Eng. daft, deft, deft, stupid; prob. the same word as Eng. deft. Related to Deft.
Stupid; folish; idiotic; also, delirious; insane.
ETYM Latin ridiculosus, ridiculus, from ridere to laigh. Related to Risible.
1. Fitted to excite ridicule; absurd and laughable; unworthy of serious consideration.
2. Involving or expressing ridicule.
1. Lacking seriousness; groundless lightheartedness.
2. Harmless; innocent; inoffensive.
3. Weak in intellect; destitute of ordinary strength of mind; foolish.
ETYM Latin stupidus, from stupere to be stupefied: cf. French stupide.
Lacking or marked by lack of intellectual acuity.
Absurdly or amusingly eccentric or irrational; crazy