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Definitions

firefly

[fahyuhr-flahy] / ˈfaɪərˌflaɪ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Photinus carolinus species of firefly has just a few weeks every summer to flash their bioluminescent lights and mate.

From The Wall Street Journal • Jun. 3, 2026

America’s most-visited national park is home to 19 different firefly species.

From The Wall Street Journal • Jun. 3, 2026

Scribner: We have over 50 automated elements, including the turntable, lifts, firefly hatches in the deck — they’re individually programmable pieces, but they’re run by operators who press buttons rhythmically and in the right order.

From Los Angeles Times • Mar. 27, 2025

“It takes the light coming from the firefly and bends it and amplifies it so we can see it in glorious detail,” he told BBC News.

From BBC • Dec. 11, 2024

A tiny firefly has landed on Autumn’s nose, shining golden light right onto her face.

From "Kwame Crashes the Underworld" by Craig Kofi Farmer




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