Synonyms of sharpen in English:

sharpen


See US English definition of sharpen

See UK English definition of sharpen

See Spanish definition of afilar

verb

1‘first sharpen the carving knife’

SYNONYMS
make sharp, make sharper, hone, whet, strop, grind, file
rare edge, acuminate
ANTONYMS

blunt

2‘the world's top players are sharpening up their grass court skills before Wimbledon’

SYNONYMS
improve, brush up, polish up, better, enhance
hone, refine, fine-tune, perfect