noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Any of a number of tiny fish in the Cyprinodontiformes order of ray-finned fish.
2. 2
   small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control wordnet

Synonyms

All synonyms

cyprinodontiformcyprinodontiformtoothcarptoothcarp

Example

More examples

"What should you feed killifish that have just hatched from their eggs?"

Etymology

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

Related phrases

Ash Meadows killifishBermuda killifishCalifornia killifishCeylon killifishGulf killifishJapanese killifishMediterranean killifishRaycraft Ranch killifishTanganyika killifishTogo killifishWaccamaw killifishWerner's killifish

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.