| inappropriate(adjective, characteristic, silly, foolish, stupid) |
| infatuated(adjective, keen, passionate, obsessed, lovesick) |
| modernity(noun, person, change, originality, fanatic) |
| of unsound mind(expression, adjective, idiom, wild, strange) |
| quixotic(adjective, characteristic, silly, foolish, fantastic) |
| rabid(adjective, concern, wild, silly, foolish) |
| recentness(noun, person, change, originality, fanatic) |
| sick(adjective, enthusiastic, mad, ill, fervent) |
| ultraist(noun, adjective, person, enthusiastic, ill) |
| activist(noun, person, radical, fanatic, insanity) |
| avid(adjective, feature, character, keen, rough) |
| bananas(adjective, slang, wild, mad, insane) |
| brainless(adjective, weak, simple, foolish, stupid) |
| certifiable |
| crackers(adjective, silly, sick, disturbed, irrational) |
| dement(noun, person, fanatic, insanity, loony) |
| dizzy(adjective, scatterbrained, flighty) |
| dumb(adjective, foolish, impulsive, insane, unintelligent) |
| frenzied(adjective, wild, silly, foolish, stupid) |
| harebrain(noun, person, fanatic, insanity, loony) |