killifish

K5I1L1L1I1F4I1S1H4
/ˈkɪ.li.fɪʃ/

noun

Any of a number of tiny fish in the Cyprinodontiformes order of ray-finned fish.

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Meanings

nounkillifish (plural killifishes or killifish)

plural killifishes

  1. Any of a number of tiny fish in the Cyprinodontiformes order of ray-finned fish.

Synonyms & antonyms

Also see
cyprinodontiformtoothcarp

Origin

From killie (“killifish”, perhaps from kill (“channel, creek”)) or kill, + fish.

Full word history & related roots →

Translations

Finnish hammaskarppikala
  • hammaskarppikalafish in the order Cyprinodontiformees
Hungarian fogasponty
  • fogaspontyfish in the order Cyprinodontiformees
Cite this entry
APA

killifish. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/killifish

MLA

“killifish.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/killifish. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “killifish,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/killifish.

Source: killifish on Wiktionary, CC BY-SA 4.0.