| sweeten | |
| swell(verb, advance, increase, raise, rise) | |
| tack | |
| tack on(verb, expression, phrasal verb, advance, increase) | |
| up | |
| wax(verb, advance, increase, raise, rise) | |
| Doppelganger(noun, like, copy, equal, tally) | |
| accessary | |
| accident | |
| accidental | |
| accomplish(verb, close, end, develop, determine) | |
| achieve(verb, close, end, develop, determine) | |
| add fuel to fire(verb, expression, idiom, support, increase) | |
| addenda | |
| additional | |
| additory | |
| adjective | |
| adjoin | |
| afterword | |
| aggravate(verb, advance, increase, raise, rise) |
For more, visit
Supplement on
Power Thesaurus
| APA | Smart Define. (2015). supplement thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/supplement/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "supplement thesaurus" https://smartdefine.org/supplement/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, supplement thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/supplement/thesaurus/synonyms>. |
| MLA | Smart Define. "supplement thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/supplement/thesaurus/synonyms> |