© 2026 Sloth Lingo. Learn easy. Lounge wisely.

canker

Intermediate (B1)

IPA: /ˈkæŋ.kər/

KK: /ˈkæŋkər/

intransitive verb
Definition

To become infected with a disease that causes decay or damage, often used in a metaphorical sense to describe moral or social corruption.


Example

The once-thriving community began to canker under the weight of neglect and apathy.


Tense Forms

Past: cankered

Past Participle: cankered


Conversation
Sloth A
I heard that some plants can canker if they aren’t properly cared for.
Sloth B
Really? I didn’t know that could happen.
Sloth A
Yeah, it’s important to pay attention to their health so they don’t canker over time.
Sloth B
I’ll make sure to check on mine more often then!

Synonyms & Antonyms
Synonyms
fester
decay
rot
Antonyms
heal
recover
mend
noun
Definition

A type of disease or infection that affects plants, animals, or even humans, often causing decay or damage in a specific area.


Example

The tree showed signs of canker, with dark lesions on its bark.


Conversation
Sloth A
Have you noticed that canker on the tree in my backyard?
Sloth B
Yeah, I saw that! It looks like it might be getting worse.
Sloth A
I really hope it doesn't spread; I don't want to lose the tree.
Sloth B
transitive verb
Definition

To harm or damage something, often by causing decay or corruption.


Example

The disease can canker the healthy parts of the plant, leading to its death.


Tense Forms

Past: cankered

Past Participle: cankered


Conversation
Sloth A
Did you hear about the old tree in the park?
Sloth B
Yeah, it's so sad that nature can canker something so beautiful.
Sloth A
I know, right? It's like it gets infected with something.
Sloth B
Root Explanation

Canker → The word originates from Old English 'cancer', which means a sore or ulcer. It is derived from the Latin 'cancer', meaning crab, which metaphorically refers to the way a sore spreads like a crab's claws.

Memory Tip

Think of the word 'cancer' in Old English, which refers to a sore or ulcer, helping you remember that 'canker' describes a type of sore.

Visually Confused Words
cranker
caner
caker
anker
encanker
crankery
canmaker
tanker
Is this page helpful?
You should probably treat it soon, or it could become a bigger problem.

Synonyms & Antonyms
Synonyms
blight
decay
lesion
Antonyms
health
wholeness
purity
Exactly! We need to take better care of our environment.

Synonyms & Antonyms
Synonyms
infect
taint
corrupt
Antonyms
heal
purify
restore