Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun stickleback
1 sense of stickleback
Sense 1
stickleback, prickleback -- (small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research)
=> spiny-finned fish, acanthopterygian -- (a teleost fish with fins that are supported by sharp inflexible rays)