Home › Words › L › lungfishlungfishlungfish means an air-breathing fish, of the class Dipnoi, that have four limblike appendages instead of fins.EtymologyFrom lung + fish.nounAn air-breathing fish, of the class Dipnoi, that have four limblike appendages instead of finsDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.dipnoan 74% match — Any fish of the class Dipnoi of lungfishes, (including the closest living relatives to the ancestor of the tetrapods). vs lungfish →dipnomorph 67% match — Any lungfish of the clade Dipnomorpha vs lungfish →dipnoid 66% match — Of, or relating to, lungfishes in the class Dipnoi. vs lungfish →dipnorhynchid 66% match — Any extinct lungfish in the family Dipnorhynchidae. vs lungfish →dipnoous 66% match — Having both lungs and gills. vs lungfish →lepidosiren 65% match — A lungfish. vs lungfish →fishlike 63% match — Having some characteristics of a fish. vs lungfish →chirodipterid 60% match — Any extinct lungfish in the family Chirodipteridae. vs lungfish →