a.
1.
Putrid, corrupt, carious, decomposed, putrefied, decaying, decayed, fetid, putrescent, foul.
2.
Unsound, defective.
3.
Treacherous, deceitful, untrustworthy, corrupt, unsound.
4.
Fetid, ill-smelling, rank.
ROTTEN
Meaning of ROTTEN in English
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012