1 a period of ten consecutive years
2 a group or series of ten
(C15: from Old French, from Late Latin decad-, decas, from Greek dekas, from deka ten)
English Collins Dictionary - English Definition & Thesaurus
corruption, debasement, decay, decline, degeneration, deterioration, dissipation, dissolution, fall, perversion, retrogression
English Collins Dictionary - English synonyms & Thesaurus
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