Synonyms for Sharpen:
n.harden, invigorate, confuse, cloud, obscure, stiffen, toughen, clarify, bolster, reinforce, strengthen. chisel, chop, chip away, chase, crimp, drill, sharp, card, acuminate, cut, flail. •sharpen (noun)
focalize, point, taper, focus, focalise.
increase, strengthen, emphasize, exaggerate, escalate, heighten, magnify, intensify, deepen, stress, underline, accentuate.
•make knifelike (verb)
edge, strop, whet, acuminate, sharp, hone, grind, taper, file.
Usage examples for sharpen
He knows also the instructions to the corps of papal inquisitors, delivered by Charles and Philip: He knows that Philip, both in person and by letter, had done his utmost to sharpen those instructions, during the latter portion of his sojourn in the Netherlands. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley