Meaning & use
invertebrate
An animal that lacks a backbone or spinal column, such as an insect or worm.
See it in a sentence
Snails, spiders, and jellyfish are all common examples of invertebrates found near the coast.
The marine biologist specialized in studying invertebrates living on the ocean floor.
A note on using this word
The opposite category is 'vertebrate'; invertebrates make up the vast majority of animal species.
Words with a similar meaning
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Words with an opposite meaning
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