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

2 of 2

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

This process can be even more pronounced in smaller galaxies in which the gravitational influence is weaker, and the black holes are less likely to be strongly bound to the galactic center.

— Robert Lea, Space.com, 29 Sep. 2026
Takaichi’s spending plans have drawn attention, raising concerns of debt sustainability and a weaker yen which have pushed Japanese bond yields to multidecade highs.

— Chloe Taylor,Lee Ying Shan,Fred Imbert, CNBC, 28 Sep. 2026

Definition of weak

Noun

Transposable elements are linked to the evolution of animal eyes as well as the adaptive immune system in jawed vertebrates.

— Jake Buehler, Quanta Magazine, 21 Sep. 2026
There were no cosmonauts aboard, but there were several smaller vertebrates — including the first two tortoises to ever go to space!

— Tariq Malik, Space.com, 15 Sep. 2026

Definition of vertebrate

Adjective

Aid groups warn more than three-quarters of Gaza’s housing stock is damaged, thousands of buildings are at risk of collapse, and residents grow especially vulnerable when winter rains seep into weakened structures.

— Wafaa Shurafa, Los Angeles Times, 20 Sep. 2026
When people use contaminated soap, bacteria can enter the body through cuts and cracks in the skin and lead to infections, especially in people with weakened immune systems.

— Jenna Anderson, HEALTH, 16 Sep. 2026

Definition of weakened

Noun

Mastodons were massive, elephant-like herbivores that went extinct roughly 11,700 years ago, near the end of the last Ice Age.

— Andrea Margolis, FOXNews.com, 19 Sep. 2026
The same process occurs in the radish’s spicier cousins, and the resulting chemicals are thought to help deter herbivores and pests.

— Encyclopedia Britannica, Encyclopedia Britannica, 26 Aug. 2026

Definition of herbivore

Adjective

In keeping with the brand’s spirit of generosity, the initial stock of Bali gin and Scotch whisky, beer, soft beverages such as jamu, and locally made artisanal snacks such as Krakakoa Chocolate is gratis.

— Condé Nast, Condé Nast Traveler, 1 Oct. 2026
Roses and a soft orange nod to the way light catches on its facades.

— Lily Templeton, Footwear News, 1 Oct. 2026

Definition of soft

Noun

If the tuft is real feathers, with barbs around a shaft, Gonzo sits on the lineage that produced theropod dinosaurs—two-legged carnivores like Tyrannosaurus—and eventually birds.

— Niranjana Rajalakshmi, Popular Science, 24 Sep. 2026
Evidence from fireplaces, animal remains, carnivores, and even owl pellets suggested that people occupied it only briefly.

— Christopher McFadden, Interesting Engineering, 18 Sep. 2026

Definition of carnivore

Adjective

While opponents treated Caitlin Clark and Sophie Cunningham like punching bags, White hid behind spineless PR fluff instead of defending her stars.

— Alejandro Avila OutKick, FOXNews.com, 2 Oct. 2026
Trump does not ask, but demands, and these spineless Republicans fall on their knees and yield to his wishes.

— Arkansas Online, Arkansas Online, 9 Sep. 2026

Definition of spineless

Browse Nearby Words

invert

invertebrate

invertebrates

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Style

“Invertebrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invertebrate. Accessed 4 Oct. 2026.

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Synonyms of invertebrate

adjective

noun

Example Sentences

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