| broaden(verb, extend, narrow, supplement) | |
| burgeon | |
| climb | |
| deepen(verb, lower, weaken) | |
| evolution(noun, progress, development) | |
| fortify(verb, strong, hurt, secure, harm) | |
| gather | |
| heighten(verb, hurt, reduce, lower) | |
| help(verb, stop, block, neglect, improve) | |
| improve(verb, stop, drop, decline, increase) | |
| improvement(noun, stop, deterioration) | |
| inflation(noun, increase, swelling, deflation) | |
| intensify(verb, dull, slow, weaken) | |
| multiply(verb, increase, destroy, reproduce) | |
| mushroom | |
| progress(noun, verb, advance, gain, improve) | |
| redouble | |
| snowball(lower, weaken) | |
| step-up | |
| strengthen(verb, increase, reduce, destroy, halt) |
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| APA | Smart Define. (2016). decrease thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decrease/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "decrease thesaurus" https://smartdefine.org/decrease/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, decrease thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decrease/thesaurus/antonyms>. |
| MLA | Smart Define. "decrease thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/decrease/thesaurus/antonyms> |