noun🔗ShareAn animal without vertebrae, i.e. backbone."The earthworm is an invertebrate because it does not have a backbone. "animalbiologyorganismnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA spineless person; a coward."He backed down from the argument so quickly; what an invertebrate! "characterpersonattitudeChat with AIVocabulary GamePractice Reading
adjective🔗ShareLacking a backbone."The jellyfish, a fascinating invertebrate animal, drifts gently in the ocean currents. "organismanimalbiologyChat with AIVocabulary GamePractice Reading
