CANKER Synonyms: 133 Similar and Opposite Words

canker 1 of 2

verb

Definition of canker

as in to poison

to lower in character, dignity, or quality such shameless ambulance chasing cankers the legal profession

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canker

2 of 2

noun

as in rot

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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 canker

Noun

Recognize bacterial canker by the dead branches covered by sap drippings. — Calvin Finch, San Antonio Express-News, 13 Feb. 2026 This damages the trunk and leaves an ugly, elongated canker that invites insects and stresses the tree, leading to stunted growth, sparse foliage, and stem dieback. — Luke Miller, Better Homes & Gardens, 11 Jan. 2026 Bacterial plant diseases include speck (a winter-surviving infection that attacks tomatoes), canker (which damages fruit trees including those producing apples and peaches), and blight (which rots melons, cucumbers, pumpkins, squash, peppers, tomatoes, eggplants, beans, and more). — New Atlas, 10 Jan. 2026 Even the most superb body begins to diminish in a person’s early 30s, thanks to the onset of sarcopenia, which sounds like a canker but means the incremental decline of muscle mass. — Sally Jenkins, The Atlantic, 18 Dec. 2025 See All Example Sentences for canker

Recent Examples of Synonyms for canker

Verb

Its death, poisoned by anti-freeze in April 2020 during Spain’s COVID confinement, sparks on screen and real-life the first criminal investigation in Spain and Europe for an animal’s slaughter.

— John Hopewell, Variety, 23 Oct. 2026
Above all, Flanagan understands how even a mother’s love can be poisoned by fear when Carrie uses her newfound powers to wrest control of the household from her mother.

— ArsTechnica, ArsTechnica, 21 Oct. 2026

Definition of poison

Noun

When the plant roots encounter an area acidified by decaying plant matter—a chemical gradient distinct from that of animal matter—ABA builds up on the side facing the rot, encouraging growth in the other direction.

— Joanna Thompson, Scientific American, 17 Oct. 2026
And to manage context rot, feeding your agents only the context required for their current step may not be enough.

— Klaudia Zaika, Forbes.com, 16 Oct. 2026

Definition of rot

Verb

At every stop, Talarico has argued that, for too long, the wealthy and their donations have corrupted politics, and that this corruption has fueled the affordability crisis.

— STEVEN SLOAN, Arkansas Online, 28 Oct. 2026
And that includes his warning that TV news has been corrupted by the agendas of the powerful, wealthy billionaires who now control a large portion of the media.

— Michael Schneider, Variety, 26 Oct. 2026

Definition of corrupt

Noun

But he was plagued by guilt over his ancestor’s role in the trials, and felt compelled to explore themes of human character, greed, and social decay through his work.

— Literary Hub, Literary Hub, 23 Oct. 2026
About 1 in 5 adults ages 20 to 64 has at least one untreated cavity, and nearly all adults 65 and older have dealt with tooth decay at some point, according to the Centers for Disease Control and Prevention.

— Ryan Brennan, Sacbee.com, 20 Oct. 2026

Definition of decay

Verb

With a major election less than a week away, candidates and their consultants are pounding Floridians with a barrage of words — some intended to cast themselves in a flattering light, some intended to smear and degrade their opponents.

— Orlando Sentinel Editorial Board, The Orlando Sentinel, 28 Oct. 2026
Faulkner said he is fed up with Citation’s yearslong pattern of degrading his pastures.

— Nick Bowlin, ProPublica, 27 Oct. 2026

Definition of degrade

Noun

Lamm told TechCrunch that conventional breeding can produce dogs with poor eyesight or genetic predispositions to cancer.

— Aamir Khollam, Interesting Engineering, 23 Oct. 2026
Cat’s claw has been promoted to treat osteoarthritis, rheumatoid arthritis, cancer, viral infections and other conditions, according to the integrative health center.

— Karen Garcia, Los Angeles Times, 23 Oct. 2026

Definition of cancer

Verb

Netanyahu faces an international arrest warrant, experts have accused Israel of genocide, and Israel’s image has further deteriorated with a spike in settler violence in the occupied West Bank.

— Josef Federman, Los Angeles Times, 26 Oct. 2026
Their return on investment becomes clear when conditions deteriorate and the organization is still able to operate, invest and make decisions on its own terms.

— Erik Clarke, Forbes.com, 26 Oct. 2026

Definition of deteriorate

Noun

And for a quarterback whose superpower involves shuffling through collapsing pockets, scrambling through squalor, throwing off any and every platform — such a question was warranted.

— Alex Zietlow, Charlotte Observer, 21 Oct. 2026
The Yolo County parents of a 7-day-old infant found living in squalor in a tent under an overpass have pleaded not guilty to the child endangerment charges against them, records show.

— Fedor Zarkhin, Los Angeles Times, 18 Sep. 2026

Definition of squalor

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canisters

canker

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“Canker.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/canker. Accessed 29 Oct. 2026.

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Synonyms of canker

verb

noun

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