as in weak
lacking strength of will or character
an invertebrate Congress that blithely went along with the President's ill-conceived plan
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Example Sentences
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Recent Examples of invertebrate
Arkansas Online,
21 Oct. 2025
Jessica Ware is associate curator of invertebrate zoology at the American Museum of Natural History.
—
Avery Hurt,
Discover Magazine,
3 Feb. 2023
Encyclopedia Britannica,
30 Mar. 2026
The lush meadows that result make excellent hiding places for small invertebrate animals.
—
David George Haskell,
Big Think,
27 Mar. 2026
See All Example Sentences for invertebrate
Adjective
There will be hands-on training to conduct water quality testing and macro-invertebrate sampling.
—
Arkansas Online,
21 Oct. 2025
Jessica Ware is associate curator of invertebrate zoology at the American Museum of Natural History.
—
Avery Hurt,
Discover Magazine,
3 Feb. 2023
Noun
This type of symbiotic relationship is common in the invertebrate and plant worlds but rare among vertebrates.
—
Encyclopedia Britannica,
30 Mar. 2026
The lush meadows that result make excellent hiding places for small invertebrate animals.
—
David George Haskell,
Big Think,
27 Mar. 2026
See All Example Sentences for invertebrate
Recent Examples of Synonyms for invertebrate
Adjective
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Following a year of historically weak hiring in 2025, hiring rebounded this spring.
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In a weak free-agency class, centers Robert Williams III (Portland) and Mark Williams (Phoenix) are already off the market, each reportedly agreeing to return to their current teams.
Noun
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They are thought to be one of the first vertebrates that made a partial transition from an aquatic to a terrestrial lifestyle.
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Even more frightening, the percentage exceeded 50% in many groups, including insects, terrestrial vertebrates, and marine species.
Adjective
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And while Creger still thought the bill was positive, she was disappointed to see the weakened language around adding lanes to highways.
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The weakened plants are more susceptible to insects and disease pests.
Noun
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Moles often get blamed for vole damage, but moles are insectivores that make tunnels and mounds to follow insects, while voles are herbivores that eat anything from edibles to ornamental plants.
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Stay at least 25 yards, or about two school buses, away from herbivores like moose, elk, deer, and bison.
Adjective
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Play soft music to drown out fireworks blasts and give your pet something to do, like putting treats inside an interactive toy, to keep them calm and happy.
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This relaxed pick is incredibly soft, really cute, and surprisingly easy to style.
Noun
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Both minks and otters are mustelids, a family of carnivores that also includes badgers, weasels, and wolverines.
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Chef Angie Mar made the Beatrice Inn a meat Mecca for downtown NYC carnivores.
Adjective
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Some of Thomas’s critique appeared to be aimed at weak-willed conservatives, including his fellow-Justices, for being, as Thomas perceives it, too spineless to stand up for the ideals enshrined in the Declaration.
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Republicans in Congress have become spineless sycophants to a president who only sees the beauty of this country in dollar signs.
Cite this Entry
“Invertebrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invertebrate. Accessed 4 Jul. 2026.
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