Meanings
verbsharpen up (third-person singular simple present sharpens up, present participle sharpening up, simple past and past participle sharpened up)
present singular third person sharpens up · participle present sharpening up · participle past sharpened up · past sharpened up
Synonyms & antonyms
verbTo become sharp (in all senses).
Similar
verbTo make sharp (in all senses).
Similar
Cite this entry
APA
sharpen up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sharpen%20up
MLA
“sharpen up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sharpen%20up. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “sharpen up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sharpen%20up.
Source: sharpen up on Wiktionary, CC BY-SA 4.0.