352 entries under verb topic. ×

20
focus(meet, direct, aim, concentrate)
19
whet(give, increase, promote, encourage)
14
hone(study, give, work, develop)
11
heighten(advance, increase, raise, rise)
10
edge(give, sharp, file, sharpen)
10
grind(change, fix, correct, improve)
10
increase(advance, develop, raise, correct)
10
intensify(advance, increase, raise, rise)
9
point(noun, increase, raise, severe)
9
file(noun, smooth, rub, grind)
9
stimulate(promote, encourage, excite, arouse)
9
taper(whet, hone, knifelike)
8
enhance(advance, increase, develop, raise)
8
quicken(increase, raise, severe, boost)
6
deepen(advance, increase, raise, rise)
6
strop(file, sharpness, whet, hone)
6
focalise
6
focalize
6
irritate(hurt, violence, rub, sting)
6
kindle(promote, encourage, stimulate, excite)
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APASmart Define. (2015). sharpen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sharpen/thesaurus/synonyms
ChicagoSmart Define. 2015. "sharpen thesaurus" https://smartdefine.org/sharpen/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sharpen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sharpen/thesaurus/synonyms>.
MLASmart Define. "sharpen thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sharpen/thesaurus/synonyms>