- not vertebrate; without a backbone.
- of or relating to creatures without a backbone.
Origin of invertebrate
Related formsin·ver·te·bra·cy [in-vur-tuh-bruh-see] /ɪnˈvɜr tə brə si/, in·ver·te·brate·ness, noun
Examples from the Web for invertebrate
A courtier, a lapdog, an invertebrate creature without power or dignity.The Tangled Skein|Emmuska Orczy, Baroness Orczy
It avoids the invertebrate flow of thought that is unaware of structure.Expository Writing|Mervin James Curl
The class of animals having no backbone, or invertebrate animals, were largely represented.The Prehistoric World|E. A. Allen
Neither the Tunicata nor Amphioxus can by any possibility be on the direct line of ascent from the invertebrate to the vertebrate.The Origin of Vertebrates|Walter Holbrook Gaskell
Among the invertebrate animals are numerous examples of the deterioration of a race.The Religion of Geology and Its Connected Sciences|Edward Hitchcock