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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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
Lily Templeton, Footwear News, 16 Oct. 2025
Researchers in the Republic of Korea, or South Korea, have discovered two unusual invertebrate species through the first study of its kind in more than 100 years.
—Lauren Liebhaber, Miami Herald, 28 Aug. 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
Initiated in 2019, the partnership between the two centers on the creation of a research unit around the biology of the precious coral, also known as Mediterranean red coral, aims to better understand the marine invertebrate and contribute to its preservation.
—Lily Templeton, Footwear News, 16 Oct. 2025
Researchers in the Republic of Korea, or South Korea, have discovered two unusual invertebrate species through the first study of its kind in more than 100 years.
—Lauren Liebhaber, Miami Herald, 28 Aug. 2025
See All Example Sentences for invertebrate
Recent Examples of Synonyms for invertebrate
Adjective
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Those who may have moved to the area after the winter of 2022, may have a pretty weak opinion of what our winters are like here.—
Terry Eliasen,
CBS News,
23 Jan. 2026
-
Moreover, the notion the public will meekly accept weaker radiation standards without explanation seems foolhardy.—
Katy Huff,
Scientific American,
23 Jan. 2026
Noun
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The animals can grow to more than 20 feet long, weigh more than a ton and can live for nearly 400 years, making the species the longest-living vertebrate on the planet—a fact that could help unlock secrets to enhancing longevity.—
Jackie Flynn Mogensen,
Scientific American,
9 Jan. 2026
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Ethanol is a potential toxin for all vertebrates, including bats and humans.—
Scott Lafee,
San Diego Union-Tribune,
23 Dec. 2025
Adjective
-
Listeria can cause serious and sometimes fatal infections, particularly in young children, older adults, and people with weakened immune systems, while healthy individuals may experience flu-like symptoms.—
Michele Laufik,
Martha Stewart,
21 Jan. 2026
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Trump’s malice and incompetence alienates voters, who then publicly voice their discontent, encouraging other political actors and institutions to see him not as a crusading avatar of national destiny but as a weakened figure.—
Quinta Jurecic,
The Atlantic,
20 Jan. 2026
Noun
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This suggests that these trees have evolved a unique defense strategy where chemical compounds are mobilized to seal wounds, while also inhibiting the invasion of pathogens or herbivores.—
Scott Travers,
Forbes.com,
21 Jan. 2026
-
The herbivores are distantly related to deer and cows.—
Daniel Hunt
January 16,
Sacbee.com,
16 Jan. 2026
Adjective
-
Gordon is facing a lengthy trend of soft tissue injuries.—
Bennett Durando,
Denver Post,
24 Jan. 2026
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Compassionate words keep bonds soft and support your spiritual side.—
Tarot.com,
Sun Sentinel,
23 Jan. 2026
Noun
-
In Vietnam, particularly, conservation resources have historically been mostly focused on primates, elephants and large carnivores.—
Scott Travers,
Forbes.com,
23 Jan. 2026
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Understanding where these carnivores are living is crucial for informing conservation and land management decisions.—
Laura Baisas,
Popular Science,
22 Jan. 2026
Adjective
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My candidacy is a symbol of the end of the weak-kneed, feckless Republican leadership of Mitch McConnell, and the spineless swamp jellyfish that are in the United States Senate representing the Republicans.—
Billal Rahman,
MSNBC Newsweek,
22 Oct. 2025
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Because Republicans in Congress are spineless.—
Callum Sutherland,
Time,
1 Oct. 2025
Cite this Entry
“Invertebrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invertebrate. Accessed 25 Jan. 2026.
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