| Main Entry: | crackpot |
| Part of Speech: | noun |
| Definition: | eccentric |
Synonyms: |
crank, flake, insane, kook, lunatic, maniac, nut, oddball, screwball, wacko |
| Main Entry: | kook |
| Part of Speech: | noun |
| Definition: | eccentric person |
Synonyms: |
crackpot, crank, crazy*, dingbat, flake, fruitcake, lamebrain, lunatic, nut, screwball, wacko, weirdo |
| Main Entry: | lunatic |
| Part of Speech: | noun |
| Definition: | person who is crazy, mad |
Synonyms: |
crackpot, crank, cuckoo, demoniac, flake, fruitcake, kook, lamebrain, loon, maniac, neurotic, nut*, paranoid, psycho, psychopath, psychotic, scatterbrain, schizophrenic, sociopathic |
Antonyms: |
sane |
| Main Entry: | maniac |
| Part of Speech: | noun |
| Definition: | person who is crazy, overenthusiastic |
Synonyms: |
Section 8, bedlamite, bigot, crackpot, enthusiast, fan, fanatic, fiend, flake, freak, fruitcake, kook, loon, loony, lunatic, madperson, nut*, nutcase, psycho, psychopath, schizoid, screwball, zealot |
| Notes: | a maniac is an insane person, while manic means affected with or marked by frenzy or mania uncontrolled by reason |
| Main Entry: | nut |
| Part of Speech: | noun |
| Definition: | crazy, overenthusiastic person |
Synonyms: |
bedlamite, bigot, crackpot, crank, dement, eccentric, fanatic, fiend, freak, harebrain, loony, lunatic, maniac, non compos mentis, screwball, zealot |
Antonyms: |
sane person |
| Main Entry: | weirdo |
| Part of Speech: | noun |
| Definition: | freak, oddball |
Synonyms: |
case*, character, crackpot, eccentric, flake, fruitcake, geek*, misfit, nutcase, odd bird, screwball, strange bird |
| Main Entry: | crank |
| Part of Speech: | noun |
| Definition: | a person with an obsession |
Synonyms: |
character, crackpot, eccentric, fanatic, monomaniac, zealot |
| Main Entry: | oddball |
| Part of Speech: | adjective |
| Definition: | eccentric |
Synonyms: |
batty, crackpot, kooky, misfit, odd, peculiar, strange, weird |
| Main Entry: | screwball |
| Part of Speech: | noun |
| Definition: | crazy person |
Synonyms: |
blockhead, bonehead, bozo, character, crackpot, dingbat, dumbbell, eccentric, fanatic, goof, kook, lunkhead, numbskull, nut, saphead |