Illustration of guppy
- 1 female
- 2 male
plural guppies
: a small bony fish (Poecilia reticulata of the family Poeciliidae) especially of Barbados, Trinidad, and Venezuela that is a live-bearer and is often kept as an aquarium fish
Examples of guppy in a Sentence
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The Pacers must realize the same: the Knicks are big fish in a big market, not guppies in small pond.
—
Kristian Winfield, New York Daily News, 17 May 2025
A lot more cautious than the other guppies, Nonny would rather talk about what is going on than actually do it.
—Amanda Rock, Parents, 30 July 2024
The study’s most disturbing finding was that even when exposed to low levels over a long period of time, fluoxetine and its metabolites harms male guppies.
—Grrlscientist, Forbes, 18 Sep. 2024
This study provides critical insights into how chronic exposure to common pharmaceutical pollutants and their metabolites can fundamentally alter important traits that fish — not just guppies — rely upon for survival and reproduction.
—Grrlscientist, Forbes, 18 Sep. 2024
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Kristian Winfield, New York Daily News, 17 May 2025
A lot more cautious than the other guppies, Nonny would rather talk about what is going on than actually do it.
—Amanda Rock, Parents, 30 July 2024
The study’s most disturbing finding was that even when exposed to low levels over a long period of time, fluoxetine and its metabolites harms male guppies.
—Grrlscientist, Forbes, 18 Sep. 2024
This study provides critical insights into how chronic exposure to common pharmaceutical pollutants and their metabolites can fundamentally alter important traits that fish — not just guppies — rely upon for survival and reproduction.
—Grrlscientist, Forbes, 18 Sep. 2024
See All Example Sentences for guppy
Cite this Entry
“Guppy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guppy. Accessed 5 Jul. 2025.
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