1
as in infectious
capable of being passed by physical contact from one person to another
proper hand washing will help prevent the spread of most pestilent diseases
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in annoying
causing annoyance
pestilent reporters hounding him night and day
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in lethal
likely to cause or capable of causing death
pestilent diseases such as bubonic plague and smallpox
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of pestilent
Long dismissed as pestilent rodents, beavers are now coming to be understood as autonomous biosphere managers that may be indispensable in the fight against the effects of climate chaos.
—
New Atlas, 28 Dec. 2025
Any dairy farmer can tell you that biting flies are a pestilent scourge for cattle herds, which is why one so often sees cows throwing their heads, stamping their feet, flicking their tails, and twitching their skin—desperately trying to shake off the nasty creatures.
—ArsTechnica, 18 Sep. 2025
New York scored a big win in its comeback over the pestilent Houston Rockets on Monday.
—Steven Louis Goldstein, The Athletic, 8 Feb. 2025
The high densities of brine flies — so dense shorelines can look like they are matted with tar — are an indication of a healthy lake, not a pestilent one.
—Daniel Rothberg, Vox, 1 Oct. 2024
The former was true in the Pelicans' Game 4 as the eagle-wingspan need small forward Jones' and pestilent 6-foot Alvarado's varied physical traits held him to a playoff career-low four points and caused three turnovers.
—Dana Scott, The Arizona Republic, 29 Apr. 2022
Island living looks like a privilege when the world is pestilent.
—New York Times, 31 Oct. 2020
Herbicides also are available to contend with the pestilent plant.
—cleveland, 30 June 2020
But the tropical type of milkweed survives cold winters, and so does its pestilent guest.
—Carl Engelking, Discover Magazine, 15 Jan. 2015
New Atlas, 28 Dec. 2025
Any dairy farmer can tell you that biting flies are a pestilent scourge for cattle herds, which is why one so often sees cows throwing their heads, stamping their feet, flicking their tails, and twitching their skin—desperately trying to shake off the nasty creatures.
—ArsTechnica, 18 Sep. 2025
New York scored a big win in its comeback over the pestilent Houston Rockets on Monday.
—Steven Louis Goldstein, The Athletic, 8 Feb. 2025
The high densities of brine flies — so dense shorelines can look like they are matted with tar — are an indication of a healthy lake, not a pestilent one.
—Daniel Rothberg, Vox, 1 Oct. 2024
The former was true in the Pelicans' Game 4 as the eagle-wingspan need small forward Jones' and pestilent 6-foot Alvarado's varied physical traits held him to a playoff career-low four points and caused three turnovers.
—Dana Scott, The Arizona Republic, 29 Apr. 2022
Island living looks like a privilege when the world is pestilent.
—New York Times, 31 Oct. 2020
Herbicides also are available to contend with the pestilent plant.
—cleveland, 30 June 2020
But the tropical type of milkweed survives cold winters, and so does its pestilent guest.
—Carl Engelking, Discover Magazine, 15 Jan. 2015
Recent Examples of Synonyms for pestilent
Adjective
-
Travolta’s infectious enthusiasm carried over into the movie itself, a semi-autobiographical trifle about his childhood love of air travel.—
Amy Nicholson,
Los Angeles Times,
19 May 2026
-
His humor, and especially his laugh, was infectious.—
Julia Moore,
PEOPLE,
18 May 2026
Adjective
-
Sixty-three percent of Glamour readers polled think lurking is annoying and also kind of creepy.—
Sam Reed,
Glamour,
18 May 2026
-
For instance, many partners have small gripes or annoyances with habits that are annoying at worst, but far from an outright red flag — like a partner that chews somewhat loudly, leaves cabinet doors open or hums constantly while working.—
Mark Travers,
Forbes.com,
17 May 2026
Adjective
-
Prosecutors also displayed the internet search history from Richins’ phone, which included queries about the lethal dose of fentanyl, luxury prisons and how poisoning is marked on a death certificate.—
Hannah Schoenbaum,
Chicago Tribune,
13 May 2026
-
In a letter last month, the federal Substance Abuse and Mental Health Services Administration notified federal grant recipients that the government would no longer pay for test strips and kits that help drug users see if their drugs contain highly-lethal additives.—
Mike Stobbe,
Fortune,
13 May 2026
Adjective
-
His provisional cause of death was given as multi-organ failure due to infective endocarditis, a rare infection of the inner lining or valves of the heart.—
Daniel Taylor,
The Athletic,
26 Feb. 2025
-
On July 30, Ray updated her fans again, revealing her diagnosis of infective endocarditis, a severe heart infection.—
Jessica Lynch,
Billboard,
31 July 2024
Adjective
-
Driver recovery can automate what used to be an irritating manual process.—
Andrew Cunningham,
ArsTechnica,
13 May 2026
-
No-see-um bites may be painful and irritating.—
Eva Flowe
May 8,
Charlotte Observer,
8 May 2026
Adjective
-
Hassane spoke at the afternoon news conference about the deadly attack at his institution this morning, decrying the conditions that could create such violence.—
Dennis Romero,
NBC news,
19 May 2026
-
The most severe form of Legionella bacteria infection leads to Legionnaires’ disease, a serious and potentially deadly type of pneumonia, the CDC says.—
Los Angeles Times,
Los Angeles Times,
18 May 2026
Adjective
-
Few things are more frustrating than a disruptive night’s sleep.—
Daryl Austin,
USA Today,
17 May 2026
-
This scenario deprives producers, sales agents, and distributors of global monetization opportunities across all types of films, while frustrating audiences who discover these titles but can’t watch them.—
John Hopewell,
Variety,
16 May 2026
Adjective
-
Health officials urged anybody who may have eaten a poisonous mushroom to seek medical care immediately and contact the California Poison Control Hotline.—
Gabrielle Rockson,
PEOPLE,
13 May 2026
-
Anyone who may have eaten a poisonous mushroom should seek medical care immediately and contact the California Poison Control Hotline at 800-222-1222.—
Tim Fang,
CBS News,
13 May 2026
Cite this Entry
“Pestilent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pestilent. Accessed 20 May. 2026.
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