silverfish
Americannoun
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a white or silvery goldfish, Carassius auratus.
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any of various other silvery fishes, as the tarpon, silversides, or shiner.
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a wingless, silvery-gray thysanuran insect, Lepisma saccharina, that feeds on starch, damaging books, wallpaper, etc.
noun
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a silver variety of the goldfish Carassius auratus
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any of various other silvery fishes, such as the moonfish Monodactylus argenteus
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any of various small primitive wingless insects of the genus Lepisma, esp L. saccharina, that have long antennae and tail appendages and occur in buildings, feeding on food scraps, bookbindings, etc: order Thysanura (bristletails)
Other Word Forms
Etymology
Origin of silverfish
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.
Old manuscripts are usually infested with woodworms, silverfish or “other microscopic creatures with a love of paper.”
From The Wall Street Journal • Jan. 9, 2026
Eliminate clutter and vacuum upholstered furniture, floors and carpet often — be aware that silverfish lay eggs in the carpet.
From Washington Post • Aug. 16, 2021
Peter and his colleagues collect silverfish that have been attracted to the lights they have set up on the Nile river in Bujagali, Uganda, 12 November.
From The Guardian • Dec. 9, 2020
I remember renting a dilapidated stone cottage with a kitchen basement that flooded whenever it rained, and when you flicked the lights on the walls seemed to instantly flex—the result of thousands of receding silverfish.
From Salon • Jan. 20, 2015
Before Herbie Goldfarb arrived in Milagro he had a passing familiarity with cockroaches and silverfish, but he had a very spotty record vis-a-vis ants.
From "The Milagro Beanfield War" by John Nichols
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.