- 1[intransitive, transitive] decay (something) to be destroyed gradually by natural processes; to destroy something in this way synonym rot decaying leaves/teeth/food
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- 2[intransitive] if a building or an area decays, its condition slowly becomes worse decaying areas of the inner city
- 3[intransitive] to become less powerful and lose influence over people, society, etc. decaying standards of morality
decay
verbNAmE//dɪˈkeɪ//
Verb Forms present simple I / you / we / they decay he / she / it decays
past simple decayed
-ing form decaying
Check pronunciation: decay