cankered


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can·ker

 (kăng′kər)
n.
1. Ulceration of the mouth and lips.
2. An inflammation or infection of the ear and auditory canal, especially in dogs and cats.
3. A condition in horses similar to but more advanced than thrush.
4.
a. A localized diseased or necrotic area on a plant part, especially on a trunk, branch, or twig of a woody plant, usually caused by fungi or bacteria.
b. Any of several diseases of plants characterized by the presence of such lesions.
5. A source of spreading corruption or decay.
v. can·kered, can·ker·ing, can·kers
v.tr.
1. To attack or infect with canker.
2. To infect with corruption or decay.
v.intr.
To become infected with or as if with canker.

[Middle English, from Old English cancer and from Old French cancre, both from Latin cancer, crab, malignant disease; see kar- in Indo-European roots.]

cankered

(ˈkæŋkəd)
adj
(Botany) (esp of fruit trees) affected by canker
References in classic literature ?
Save it were the cankered wrath of an old witch like Mistress Hibbins," added he, attempting to smile, "I know nothing that I would not sooner encounter than this passion in a child.
And now the tale must stride forward over many months, leaving Pearson to encounter ignominy and misfortune; his wife to a firm endurance of a thousand sorrows; poor Ilbrahim to pine and droop like a cankered rosebud; his mother to wander on a mistaken errand, neglectful of the holiest trust which can be committed to a woman.
How cankered it is, through and through, with selfishness