Meanings
plural topminnows
- Any of the ray-finned fish in the taxonomic family Fundulidae.
Synonyms & antonyms
nounsmall usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
nounfreshwater fish of Central America having a long swordlike tail; popular aquarium fish
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From top + minnow, since they swim near the surface.
Full word history & related roots →Cite this entry
topminnow. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/topminnow
“topminnow.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/topminnow. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “topminnow,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/topminnow.
Source: topminnow on Wiktionary, CC BY-SA 4.0.