Meanings
verbfiercen up (third-person singular simple present fiercens up, present participle fiercening up, simple past and past participle fiercened up)
present singular third person fiercens up · participle present fiercening up · participle past fiercened up · past fiercened up
- To make fiercer.
Cite this entry
APA
fiercen up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fiercen%20up
MLA
“fiercen up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fiercen%20up. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “fiercen up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fiercen%20up.
Source: fiercen up on Wiktionary, CC BY-SA 4.0.