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
Example Sentences
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Recent Examples of invertebrate
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
Tara Massouleh McCay, Southern Living, 1 Dec. 2025
The invertebrate animals develop a hard skeleton of calcium carbonate, which forms the structure of living reefs.
—Evan Bush, NBC news, 23 Oct. 2025
See All Example Sentences for invertebrate
Adjective
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
Noun
Visitors have the opportunity to interact with stingrays and invertebrate species, and attend educational programs that give more information on local gamefish, sharks, and sea turtles.
—Tara Massouleh McCay, Southern Living, 1 Dec. 2025
The invertebrate animals develop a hard skeleton of calcium carbonate, which forms the structure of living reefs.
—Evan Bush, NBC news, 23 Oct. 2025
See All Example Sentences for invertebrate
Recent Examples of Synonyms for invertebrate
Adjective
-
Based on the popular 1960s spy sitcom, this weak adaptation casts Steve Carell as a bumbling secret agent, with Hathaway as his more competent partner and developing love interest.—
Chris Feil,
Vulture,
1 May 2026
-
In particular, researchers experimentally demonstrated quadsqueezing, a complex fourth-order quantum interaction previously considered too weak to observe.—
Mrigakshi Dixit,
Interesting Engineering,
1 May 2026
Noun
-
Rewriting the Story of Ancient Cretaceous Oceans For decades, the narrative of prehistoric oceans has centered on massive vertebrates as the dominant predators.—
Ryan Brennan,
Kansas City Star,
24 Apr. 2026
-
For roughly 370 million years, scientists believed large vertebrate predators ruled ocean ecosystems — first fish and sharks, then marine reptiles, then whales.—
Ryan Brennan,
Miami Herald,
24 Apr. 2026
Adjective
-
However, people younger than 5 and older than 65, and those with weakened immune systems, may experience more severe symptoms and require treatment or hospitalization.—
Julia Gomez,
USA Today,
29 Apr. 2026
-
Illnesses may be more severe for young children, the elderly, and those with weakened immune systems.—
Addy Bink,
The Hill,
28 Apr. 2026
Noun
-
Spiral Diner serves vegan comfort food that will satisfy herbivores and carnivores alike.—
Regan Stephens,
Travel + Leisure,
24 Apr. 2026
-
Voles are herbivores that cause garden damage by eating plant materials such as flowers, ornamentals, bulbs, and the bark of trees.—
Arricca Elin SanSone,
Southern Living,
19 Apr. 2026
Adjective
-
Sites that preserve soft-bodied organisms are even rarer because soft tissues decompose more easily, making these places especially useful for piecing together prehistoric ecosystems.—
Marlowe Starling,
Quanta Magazine,
1 May 2026
-
Larsson and Pink have penned a postcard to their respective home countries while flexing the global soft power afforded, at least in part, by their international alliance.—
Walden Green,
Pitchfork,
1 May 2026
Noun
-
Manure from animals that don’t consume meat (rabbits, cows, horses) is fine, but do not use waste from carnivores.—
Jessica Damiano,
Los Angeles Times,
30 Apr. 2026
-
Spiral Diner serves vegan comfort food that will satisfy herbivores and carnivores alike.—
Regan Stephens,
Travel + Leisure,
24 Apr. 2026
Adjective
-
Republicans in Congress have become spineless sycophants to a president who only sees the beauty of this country in dollar signs.—
Voice of the People,
New York Daily News,
26 Apr. 2026
-
The nagging wife, the angry daughter and the spineless detective.—
Erik Kain,
Forbes.com,
29 Jan. 2026
Cite this Entry
“Invertebrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invertebrate. Accessed 3 May. 2026.
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