Word.ws English Dictionary

Plural of firefly

regular plural

The plural of firefly is fireflies.

Forms of firefly

Singularfirefly /ˈfaɪ.əˌflaɪ/
Pluralfireflies
Countablecountable

Fireflies in a sentence

  • The lambent glow of fireflies delighted the children.From the entry lambent
  • The glimmer of the fireflies was pleasant to watch.From the entry glimmer
  • The fireflies glimmered in the dark.From the entry glimmer
  • She used to imagine her mother playing in the yard, building snow castles or chasing fireflies.2015, Terri-Lynne DeFino, Seeking Carolina (A Bitterly Suite Romance), New York, N.Y.: Lyrical Press, Kensington Publishing Corp., →ISBN…. From the entry snow castle
  • A dozen air corps of fireflies searchlighted the spot for an instant.1937, L. Ron Hubbard, All Frontiers Are Jealous. From the entry searchlight

Meaning of firefly

  1. noun Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.

Full definition of firefly

Questions about the plural of firefly

What is the plural of firefly?
The plural of firefly is fireflies.
Is firefly countable?
Firefly is a countable noun.

Source and license

Adapted from Wiktionary: firefly (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Plural of firefly.” Word.ws, https://word.ws/plural/firefly. Based on Wiktionary, CC BY-SA 4.0.