Word.ws English Dictionary

fireflies

fireflies is the plural of firefly.

Meaning of firefly

Noun

firefly (plural fireflies)

  1. (Florida, Northern-US, US, Western) Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
    • Fireflies are the best-known insects that produce light. […] Many fireflies use their light to communicate, particularly at mating time when males and females have to get together.2000, Exploring Life Science, 2: Bats—Cave Life, Marshall Cavendish, page 96

See all 2 meanings of firefly

Phrases with fireflies

Questions about fireflies

What is fireflies the plural of?
Fireflies is the plural of firefly.

Words near fireflies in the dictionary

  1. firefish
  2. firefishes
  3. fireflaire
  4. fireflaires
  5. fireflied
  6. fireflies
  7. firefloat
  8. firefloats
  9. fireflower
  10. firefly
  11. firefly squid

Source and license

Adapted from Wiktionary: fireflies (page history and authors); firefly (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “fireflies.” Word.ws, https://word.ws/fireflies. Based on Wiktionary, CC BY-SA 4.0.