| confirm | |
| congratulate | |
| corroborate | |
| deem | |
| entertain | |
| eulogize | |
| exalt | |
| extol | |
| good cheer(expression, sorrow, sadness) | |
| ha | |
| hail | |
| hallelujah | |
| hand | |
| hooray | |
| hopefulness(sorrow, sadness) | |
| hurray | |
| huzzah | |
| jauntiness(sorrow, sadness) | |
| joyousness | |
| merry-making(sorrow, sadness) |
For more, visit
Boo on
Power Thesaurus
| APA | Smart Define. (2016). boo thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/boo/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "boo thesaurus" https://smartdefine.org/boo/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, boo thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/boo/thesaurus/antonyms>. |
| MLA | Smart Define. "boo thesaurus" 21 March 2016. Web. 25 September 2026. <https://smartdefine.org/boo/thesaurus/antonyms> |