INVERTEBRATE Synonyms: 88 Similar and Opposite Words

invertebrate 1 of 2

adjective

(ˌ)in-ˈvər-tə-brət

Definition of invertebrate

as in weak

lacking strength of will or character an invertebrate Congress that blithely went along with the President's ill-conceived plan

Synonyms & Similar Words

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Antonyms & Near Antonyms

invertebrate

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Example Sentences

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.

Recent Examples of 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

When Jo arrives on the island, however, Nadia is missing, and the jellyfish appears to be much more than a mere invertebrate. — Tessa Yang, PEOPLE, 2 June 2026 Previous Conservation Station elements including the veterinary treatment room, animal nutrition window and the amphibian, reptile and invertebrate windows again will be available. — Dewayne Bevil, The Orlando Sentinel, 13 May 2026 See All Example Sentences for invertebrate

Recent Examples of Synonyms for invertebrate

Adjective

Similar to Spokane, the windiest periods will be during the daytime from Friday through Sunday, with weaker winds each night.

— Mary Gilbert, CNN Money, 6 Aug. 2026
The next step came in 2009, when mathematicians Jordan Ellenberg, Akshay Venkatesh and Craig Westerland posted a preprint paper that claimed to prove a weaker version of the conjecture for every prime.

— Lyndie Chiou, Scientific American, 5 Aug. 2026

Definition of weak

Noun

In humans and other vertebrates, aging hearts typically accumulate scar-like collagen deposits called fibrosis.

— Melissa Cristina Márquez, Forbes.com, 1 Aug. 2026
Like Jimothy, Cooper has short spine syndrome, a rare congenital condition in which an animal's vertebrate doesn't develop into bone during fetal development.

— Greta Cross, USA Today, 31 July 2026

Definition of vertebrate

Adjective

But some people, such as those with weakened immune systems, older people and young children, are at higher risk of complications, primarily because of severe dehydration, according to the Food and Drug Administration.

— Adam Kovac, Scientific American, 3 Aug. 2026
Further, the actual speed-up is unknown, since the weakened AES algorithm tested used only 7 rounds.

— Dan Goodin, ArsTechnica, 29 July 2026

Definition of weakened

Noun

Invertebrates make up more than 70% of all terrestrial animal species and are important pollinators, predators and herbivores in virtually every nonmarine ecosystem.

— Christopher A. Lepczyk, The Conversation, 8 July 2026
When growing in the prairie, rattlesnake master’s spiny leaves deter other herbivores as well as some insects.

— Sheryl DeVore, Chicago Tribune, 8 July 2026

Definition of herbivore

Adjective

My mom raves about Vuori loungewear, and there’s currently a pair of the brand’s airy, feather-soft wide-leg pants on sale for 25 percent off.

— Rylee Johnston, PEOPLE, 8 Aug. 2026
Set the scene On the second and last morning of my weekend at Winvian, a soft snow came upon the place and landed in a thin blanket.

— Condé Nast, Condé Nast Traveler, 8 Aug. 2026

Definition of soft

Adjective

And now the nation will probably never get back to normal because a spineless GOP can never admit that it’s been conned.

— Steven Greenhut, Oc Register, 22 May 2026
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.

— Ruth Marcus, New Yorker, 21 May 2026

Definition of spineless

Browse Nearby Words

invert

invertebrate

invertebrates

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Cite this Entry

Style

“Invertebrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invertebrate. Accessed 8 Aug. 2026.

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Synonyms of invertebrate

adjective

noun

Example Sentences

Browse Nearby Words

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