DECAYED definition: 1. past simple and past participle of decay 2. to become gradually damaged, worse, or less; to…. Learn more.

transitive verb 1 : to destroy by decomposition wood decayed by bacteria 2 obsolete : to cause to decay : impair

Definition of 'decayed' decayed in British English (dɪˈkeɪd ) adjective having rotted as a result of bacterial, fungal, or chemical action; decomposed

decayed (dɪˈkeɪd) adj having rotted as a result of bacterial, fungal, or chemical action; decomposed

decompose stresses that bacteria, worms, insects, etc., are destroying and breaking apart something that is dead. Eventually the vegetation decomposes and is mixed with dirt and used in the garden. …

Definitions of decayed adjective damaged by decay; hence unsound and useless “a decayed foundation” synonyms: rotted, rotten unsound not in good condition; damaged or decayed

de•cayed, adj.: decayed timber. de•cay•ing, adj.: the smell of decaying vegetation. Microbiology to become decomposed; rot: vegetation that was decaying. deteriorate.

Definition of decay verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

DECAY definition: to become decomposed; rot. See examples of decay used in a sentence.

Dec 24, 2025 · decay (third-person singular simple present decays, present participle decaying, simple past and past participle decayed) (intransitive) To deteriorate, to get worse, to lose strength or …