2
intense
2
keen
2
key up(verb, expression, promote, encourage, stimulate)
2
level off
2
madden
2
pick up(verb, expression, advance, increase, develop)
2
place
2
polish(verb, study, change, work, fix)
2
pore
2
prepare(verb, study, work, show, develop)
2
progress(verb, advance, increase, develop, raise)
2
provoke(verb, promote, encourage, stimulate, excite)
2
raise(verb, advance, increase, develop, correct)
2
recover(verb, advance, increase, develop, raise)
2
renew
2
rivet(meet, direct, put, concentrate, focus)
2
season(verb, study, develop, improve, prepare)
2
sensitise
2
sharpened
2
sharpening
11 years ago|11k views|share |citing 
APASmart Define. (2015). sharpen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sharpen/thesaurus/synonyms
ChicagoSmart Define. 2015. "sharpen thesaurus" https://smartdefine.org/sharpen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sharpen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sharpen/thesaurus/synonyms>.
MLASmart Define. "sharpen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sharpen/thesaurus/synonyms>