as in poisonous
containing or contaminated with a substance capable of injuring or killing a living thing
certain plants are toxic if eaten
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
as in poison
a substance that by chemical action can kill or injure a living thing
tested for toxics in the water supply
Synonyms & Similar Words
Antonyms & Near Antonyms
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 toxic
Jessica Wang, EW.com, 5 June 2025
The brown prickly algae is suffocating shorelines from Puerto Rico to Guyana and beyond, disrupting tourism, killing wildlife, and even releasing toxic gases that forced one school in the French Caribbean island of Martinique to temporarily close.
—Danica Coto, Christian Science Monitor, 4 June 2025
Kathleen Newman-Bremang, refinery29.com, 30 Jan. 2025
This strategy has amplified his visibility but has also drawn criticism for aligning with internet personalities accused of toxic and, for some, abusive behaviors.
—Kia Turner, refinery29.com, 28 Nov. 2024
See All Example Sentences for toxic
Adjective
But when a message arrives one day from prospective client Sarah (Lily James), a scientist from a biotech company armed with claims of an unlawful coverup regarding toxic chemicals, Ash becomes ensnared in a game of cat and mouse with a corporate intimidator played by Sam Worthington.
—Jessica Wang, EW.com, 5 June 2025
The brown prickly algae is suffocating shorelines from Puerto Rico to Guyana and beyond, disrupting tourism, killing wildlife, and even releasing toxic gases that forced one school in the French Caribbean island of Martinique to temporarily close.
—Danica Coto, Christian Science Monitor, 4 June 2025
Noun
What these arguments fail to understand is that DEI protections were put in place for certain groups because of historically discriminatory hiring practices and to course-correct toxic, racist, ableist, homophobic, transphobic, and sexist workplaces.
—Kathleen Newman-Bremang, refinery29.com, 30 Jan. 2025
This strategy has amplified his visibility but has also drawn criticism for aligning with internet personalities accused of toxic and, for some, abusive behaviors.
—Kia Turner, refinery29.com, 28 Nov. 2024
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
-
The last time fans saw her as Britt, she was attacked by a serial killer and died from his poisonous hook.—
Lynette Rice,
Deadline,
6 June 2025
-
On July 29, 2023, Erin Patterson, 50, allegedly served her ex-husband’s parents, Don and Gail Patterson, both 70, and Gail’s sister, Heather Wilkinson, 66, beef wellington laced with poisonous mushrooms, which resulted in their deaths.—
Escher Walcott,
People.com,
3 June 2025
Noun
-
The poison could possibly enter another cut in your mouth or be swallowed.—
Ashley Fredde,
Idaho Statesman,
4 June 2025
-
However, when attempts to purge the poison are unsuccessful and time passes without treatment, the heart begins to fail.—
Nina Foster,
JSTOR Daily,
30 May 2025
Noun
-
Blood pressure may rise with age, increasing cardiovascular disease risk.—
Anisha Shah,
Verywell Health,
4 June 2025
-
Untreated dental disease can even be life threatening, as in the case of Deamonte Driver, who died at age 12 after bacteria spread from an untreated tooth abscess to his brain.—
Josh Hammer,
MSNBC Newsweek,
4 June 2025
Noun
-
Its toxins can cause vomiting, liver damage, and reproductive defects in both humans and livestock, the release noted.—
Brady Knox,
The Washington Examiner,
5 June 2025
-
The toxins can cause vomiting, liver damage and reproductive defects in humans and livestock, prosectors said.—
Julia Jacobo,
ABC News,
5 June 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 18 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share