1
as in ruthless
having or showing a lack of sympathy or tender feelings
a cold-blooded criminal who never once showed an ounce of mercy to his victims
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Antonyms & Near Antonyms
2
as in icy
lacking in friendliness or warmth of feeling
the cold-blooded selfishness shown by the miser when confronted by people in need
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Antonyms & Near Antonyms
3
as in stoic
not feeling or showing emotion
a cold-blooded assessment of the situation showed that the company needed either to lay off workers or go bankrupt
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Antonyms & Near Antonyms
4
as in hybrid
or coldblood
being offspring produced by parents of different races, breeds, species, or genera
he may not be as fancy as the other horses they own, but that cold-blooded gelding is safe and gentle
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Example Sentences
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Recent Examples of cold-blooded
The research suggests that warm-blooded fish species, which include great whites, shortfin makos and salmon sharks, burn about four times more energy than cold-blooded species and will increasingly be forced into cooler regions with less food.
—
Moná Thomas, PEOPLE, 24 Apr. 2026
Some of the ocean’s most powerful predators are warm-blooded creatures that burn nearly four times more energy than their cold-blooded counterparts.
—Maria Mocerino, Interesting Engineering, 19 Apr. 2026
Crowds returned to the Cal Expo Pavilion on Sunday to get an up close look at thousands of cold-blooded creatures at the 28th annual Sacramento Reptile Show.
—Nicole Buss, Sacbee.com, 19 Apr. 2026
When science said dinosaurs were pea-brained and cold-blooded, humans took their demise as proof of the superiority of warm, clever mammals.
—Scottie Andrew, CNN Money, 5 Apr. 2026
See All Example Sentences for cold-blooded
Moná Thomas, PEOPLE, 24 Apr. 2026
Some of the ocean’s most powerful predators are warm-blooded creatures that burn nearly four times more energy than their cold-blooded counterparts.
—Maria Mocerino, Interesting Engineering, 19 Apr. 2026
Crowds returned to the Cal Expo Pavilion on Sunday to get an up close look at thousands of cold-blooded creatures at the 28th annual Sacramento Reptile Show.
—Nicole Buss, Sacbee.com, 19 Apr. 2026
When science said dinosaurs were pea-brained and cold-blooded, humans took their demise as proof of the superiority of warm, clever mammals.
—Scottie Andrew, CNN Money, 5 Apr. 2026
See All Example Sentences for cold-blooded
Recent Examples of Synonyms for cold-blooded
Adjective
-
Noah Thomas’s life takes a dangerous turn when a chance reunion with an old high school friend, Parker Coleman, entangles him in a ruthless crime ring.—
Jon Stojan,
Variety,
18 June 2026
-
Sean Connery first portrayed the legendary spy as a confident and ruthless Cold War warrior, while Roger Moore added camp and a gentlemanly touch to the role.—
Gieson Cacho,
Mercury News,
17 June 2026
Adjective
-
Levine’s missive comes amid an icy relationship with Hosseini, which has soured since the collapse of former University of Michigan President Santa Ono’s candidacy for the UF presidency.—
Garrett Shanley,
Miami Herald,
18 June 2026
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Earth-impacting shrapnel from those primordial upheavals may have helped seed our planet with the precursors for life, delivering water and organic compounds from the dark, icy depths of the outer solar system.—
Lee Billings,
Scientific American,
18 June 2026
Adjective
-
His determination and stoic unflappability were always the difference.—
Sean Woods,
Rolling Stone,
15 June 2026
-
Refs opted to disregard the blatant flagrant foul and the usually stoic Brunson erupted, chasing after the officials before turning on his heel in a fury and returning to the bench.—
Dana O’Neil,
CNN Money,
14 June 2026
Adjective
-
The company is actively exploring opportunities to expand its 48-volt mild hybrid architecture, which is likely to percolate throughout the lineup over time.—
Byron Hurd,
The Drive,
18 June 2026
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Because many organizations are hybrid or remote first, culture building is sparse and often skipped entirely.—
Laura Weldy,
Forbes.com,
18 June 2026
Adjective
-
Having catalogued the Black Death’s horrifying effects, Ibn Khatima went on to outline a series of preventative measures and active treatments designed to combat this merciless scourge.—
Literary Hub,
Literary Hub,
27 May 2026
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The jokes on social media will be endless, and opposing fans will be merciless.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
20 May 2026
Adjective
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The perk here is that the material holds up to cold weather by stretching and expanding without breaking, requiring fewer repairs and resource use.—
Condé Nast,
Condé Nast Traveler,
17 June 2026
-
But there are ways of assessing it with cold hard figures, most notably the FIFA world rankings, which began in the 1990s as a way to assess the strength of international teams.—
Thom Harris,
New York Times,
16 June 2026
Adjective
-
Many with mixed backgrounds switched allegiances when turning senior, following their heart – or their ambition.—
ABC News,
ABC News,
19 June 2026
-
For many Haitian fans, there were mixed emotions in a country that has long had a soft spot for Brazil’s soccer team.—
David Brandt,
Chicago Tribune,
19 June 2026
Adjective
-
The production had no money, no stars and was going to shoot in a frigid Canadian forest.—
Seth Abramovitch,
HollywoodReporter,
17 June 2026
-
Chicago is a great pick for a city break, even during its famously frigid winters.—
Skye Sherman,
Travel + Leisure,
11 June 2026
Cite this Entry
“Cold-blooded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cold-blooded. Accessed 20 Jun. 2026.
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