| reinforce(verb, advance, increase, raise, rise) | |
| revive | |
| rub(verb, smooth, grind, scrape, sting) | |
| sensitize(verb, stimulate, rub, sting) | |
| spiculate | |
| thin(verb, adjective) | |
| train(noun, verb, study, work, show) | |
| barb | |
| emphasize(verb, increase, raise, severe, boost) | |
| escalate(verb, advance, increase, raise, rise) | |
| accentuate(verb, increase, raise, severe, boost) | |
| adjust(verb, fix, meet, direct, put) | |
| aim(meet, direct, concentrate) | |
| amplify(verb, advance, increase, raise, rise) | |
| arouse(verb, promote, encourage, stimulate, excite) | |
| beef up(verb, expression, increase, raise, severe) | |
| bespeak | |
| betoken | |
| boost(verb, advance, increase, develop, raise) | |
| brainwash(verb, study, show, develop, direct) |
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| APA | Smart Define. (2015). sharpen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sharpen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sharpen thesaurus" https://smartdefine.org/sharpen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sharpen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sharpen/thesaurus/synonyms>. |
| MLA | Smart Define. "sharpen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sharpen/thesaurus/synonyms> |