Standard Lemma guide

topminnow

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of the ray-finned fish in the taxonomic family Fundulidae.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

freshwater fish of Central America having a long swordlike tail; popular aquarium fish

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: swordtail, helleri, Xyphophorus helleri

Antonyms: none provided

Broader terms: cyprinodont

3

noun

Meaning 3

small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: poeciliid fish, poeciliid, live-bearer

Antonyms: none provided

Broader terms: cypriniform fish

Narrower terms: mosquitofish, Gambusia affinis, platy, Platypoecilus maculatus, mollie, molly

History

Etymology

From top + minnow, since they swim near the surface.