Meanings
Synonyms & antonyms
nounslender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From day + fly, since the adults typically live only for a day.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
APA
dayfly. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/dayfly
MLA
“dayfly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dayfly. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “dayfly,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/dayfly.
Source: dayfly on Wiktionary, CC BY-SA 4.0.