- not vertebrate; without a backbone.
- of or relating to creatures without a backbone.
- without strength of character.
- an invertebrate animal.
- a person who lacks strength of character.
Origin of invertebrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for invertebrates
Rossellini enthusiastically acts out various sex acts while costumed as an earthworm, a spider, a bee, and other invertebrates.Isabella Does Bug Porn
October 31, 2008
The law of parallelism applied not only to Vertebrates but also to Invertebrates.Form and Function
E. S. (Edward Stuart) Russell
Let us take the case of the invertebrates, nearly all of which, as the birds, have a wide range.
In short, Liverpool is to be congratulated on its collections of bones and invertebrates.
"Invertebrates and monotremes, Dodd," said Bram, almost wistfully.
Insects and other invertebrates for human consumption in Siam.The Biotic Associations of Cockroaches
Louis M. Roth
- any animal lacking a backbone, including all species not classified as vertebrates
- of, relating to, or designating invertebrates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for invertebrates
Online Etymology Dictionary, © 2010 Douglas Harper
- Lacking a backbone or spinal column; not vertebrate.
- Of or relating to invertebrates.
- An animal, such as an insect or a mollusk, that lacks a backbone or spinal column.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Having no backbone or spinal column.
- An animal that has no backbone or spinal column and therefore does not belong to the subphylum Vertebrata of the phylum Chordata. Most animals are invertebrates. Corals, insects, worms, jellyfish, starfish, and snails are invertebrates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Animals without backbones. (Compare vertebrates.)
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.