97 entries under noun topic. ×
| oddball | |
| schizophrenic(adjective, silly, foolish, stupid) | |
| dement(crazy, cuckoo, lunatic, lamebrain) | |
| fanatic(crazy, nut, lunatic, enthusiast) | |
| fiend(person, crazy, nut, fanatic) | |
| fruitcake | |
| nutjob(slang, sick, mad person) | |
| paranoiac | |
| basket case(slang, sick, mad person) | |
| coo-coo(slang, sick, mad person) | |
| crack-brain(slang, sick, mad person) | |
| crack-skull(slang, sick, mad person) | |
| erotomaniac(person, madness, insanity, psycho) | |
| fruit-cake(slang, sick, mad person) | |
| goo-goo(slang, sick, mad person) | |
| goof(slang, sick, mad person) | |
| jerk(slang, sick, mad person) | |
| jerk-off(slang, sick, mad person) | |
| knee-jerk(slang, sick, mad person) | |
| loom(slang, sick, mad person) |
For more, visit
Loony on
Power Thesaurus
| APA | Smart Define. (2015). loony thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/loony/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, loony thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>. |
| MLA | Smart Define. "loony thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms> |