250 entries under noun topic. ×
| idler | |
| jackdaw | |
| jerk-off(slang, sick, mad person) | |
| kingfisher | |
| knee-jerk(slang, sick, mad person) | |
| lame-brain | |
| lark | |
| loom(slang, sick, mad person) | |
| looneybin(slang, sick, mad person) | |
| loony tune(slang, sick, mad person) | |
| lovebird | |
| luny(slang, sick, mad person) | |
| macaw | |
| madperson | |
| mallard | |
| meathead | |
| mental(slang, sick, mad person) | |
| mishoogeh(slang, sick, mad person) | |
| mishugah(slang, sick, mad person) | |
| mockingbird |
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| APA | Smart Define. (2016). loon thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/loon/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "loon thesaurus" https://smartdefine.org/loon/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, loon thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/loon/thesaurus/synonyms>. |
| MLA | Smart Define. "loon thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/loon/thesaurus/synonyms> |