Synonyms of invertebrate

Noun

1. invertebrate, animal, animate being, beast, brute, creature, fauna

usage: any animal lacking a backbone or notochord; the term is not used as a scientific classification

Adjective

1. invertebrate (vs. vertebrate), spineless

usage: lacking a backbone or spinal column; "worms are an example of invertebrate animals"

Definition and meaning of invertebrate (Dictionary)