Synonyms of 'decayed'
rottenDictionary, bad, decayingEven young children have teeth so decayed they need to be extracted.
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Food that has gone bad is not suitable to eat because it has started to decay.
They bought so much beef that some went bad.
Thesaurus for decayed from the Collins English Thesaurus
having rotted as a result of bacterial, fungal , or chemical action; decomposed