Meanings
verbupbrighten (third-person singular simple present upbrightens, present participle upbrightening, simple past and past participle upbrightened)
present singular third person upbrightens · participle present upbrightening · participle past upbrightened · past upbrightened
- ambitransitivepoeticTo make or become brighter.
I looked on thee, at first, as looks the sun / Upon the earth upbrightening in his glance, […]
1904, Louis Kaufman Anspacher, Tristan and Isolde: A Tragedy, page 69
Origin
Cite this entry
APA
upbrighten. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/upbrighten
MLA
“upbrighten.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upbrighten. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “upbrighten,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/upbrighten.
Source: upbrighten on Wiktionary, CC BY-SA 4.0.