-
- To save this word, you'll need to log in.
invertebrate
adjective
in·ver·te·brate
(ˌ)in-ˈvər-tə-brət
-ˌbrāt
1
: lacking a spinal column
also
: of, relating to, or concerned with invertebrate animals
2
: lacking in strength or vitality : weak
invertebrate
noun
Synonyms
Examples of invertebrate in a Sentence
an invertebrate Congress that blithely went along with the President's ill-conceived plan
Recent Examples on the Web
Jessica Ware is associate curator of invertebrate zoology at the American Museum of Natural History.
—
Avery Hurt, Discover Magazine, 3 Feb. 2023
A year later, the state budgeted $10 million to pull DNA out of historic insect collections, as well as to launch ambitious new field studies to better understand the extent of California’s invertebrate biodiversity.
—
Los Angeles Times, 24 Dec. 2022
Siddall, a curator of invertebrate zoology at the American Museum of Natural History in New York, is one of the world’s foremost leech experts.
—
Mark Siddall, Discover Magazine, 5 Sep. 2012
Initial invertebrate samples conducted by Long indicate that diversity has not been negatively affected, but appears to be stronger than pre-fire reports.
—
Jake Frederico, The Arizona Republic, 13 Dec. 2022
See all Example Sentences for invertebrate ![](/dist-cross-dungarees/2025-02-11--16-25-46-ew5nrj/images/svg/redesign/arrow-right-exemplar.svg)
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
Etymology
New Latin invertebratus, from Latin in- + New Latin vertebratus vertebrate
First Known Use
1819, in the meaning defined at sense 1
Dictionary Entries Near invertebrate
Cite this Entry
“Invertebrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invertebrate. Accessed 12 Feb. 2025.
Kids Definition
invertebrate
1 of 2 adjective
in·ver·te·brate
(ˈ)in-ˈvərt-ə-brət,
-ˌbrāt
: lacking a backbone
an invertebrate animal
also
: of or relating to invertebrate animals
invertebrate fossils
invertebrate
2 of 2 noun
: an animal (as a worm, clam, spider, or butterfly) that lacks a backbone
Medical Definition
invertebrate
1 of 2 noun
in·ver·te·brate
(ˈ)in-ˈvərt-ə-brət
-ˌbrāt
: an animal having no backbone or internal skeleton
invertebrate
2 of 2 adjective
: lacking a spinal column
also
: of or relating to invertebrate animals
More from Merriam-Webster on invertebrate
Nglish: Translation of invertebrate for Spanish Speakers
Britannica.com: Encyclopedia article about invertebrate
Love words? Need even more definitions?
Merriam-Webster unabridged
Share