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Definition of silverfish

silverfish

/ˈsɪl.vɚˌfɪʃ/
sil · ver · fish

Plural:silverfish
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silverfish Lexical Profile

silverfish Game Scores & Validity

• noun

1

A small, wingless insect (Lepisma saccharinum) of the order Zygentoma, characterized by its silvery-grey scales, tapered body, and fast, slithering movements, commonly found in dark, damp indoor environments where it feeds on starches and paper.

Example

"When I moved the stack of old newspapers in the basement, a silverfish darted quickly out of sight."


2

Any of various unrelated fishes characterized by a silvery appearance or bright, metallic scales, such as the tarpon or certain species of silversides.

Example

"The coastal waters were teeming with schools of silverfish shimmering just beneath the surface."

Word Origin & Etymology

A compound of 'silver' and 'fish', coined in the 17th century. The insect was named for its silvery, scaly appearance and its side-to-side, slithering movement that resembles a fish swimming.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Silverfish. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/silverfish
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