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Word of the Day Tuesday, June 9, 2026

firefly

/ˈfaɪərˌflaɪ/ noun · British & US
Valid in UKValid in US
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What does firefly mean?

noun

A small insect that emits light, typically in the evening, often used as a fire source or for communication. A firefly is also known as a lightning bug.

Example

"The children watched in awe as the fireflies danced around the garden on a warm summer evening."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for firefly

Rhymes with firefly

Etymologically related