ROTTEN

adj. 1 rotted, decayed, decomposed, decomposing, putrid, putrescent, putrescing, mouldy, mouldering, spoilt or spoiled, mildewed, rancid, fetid or foetid, stale, rank, foul, feculent, tainted, contaminated, festered, festering, corrupt, bad, off, turned, overripe, soured, sour One rotten apple in the barrel can spoil the rest The stench of rotten meat filled the room. 2 rotted, rusted, corroded, deteriorating, disintegrating, crumbling, crumbly, falling to pieces, friable He stepped on a spot where the wood was rotten and his foot went right through the stair 3 immoral, corrupt, dishonest, deceitful, venal, shameless, degenerate, villainous, iniquitous, evil, wicked, vile, debased, base, perverted, depraved, unscrupulous, unprincipled, amoral, warped, Slang bent These drug dealers are rotten at the core 4 heinous, evil, vile, base, miserable, despicable, wretched, awful, terrible, horrible, horrific, nasty, contemptible, filthy, mean, low, Colloq lousy, stinking, low-down, dirty-rotten Pairing me off with Vera at the dance was a rotten trick 5 ill, unwell, sick, nauseated, awful; hung-over, Colloq lousy, ropy or ropey, rough I feel really rotten - maybe it was those mushrooms I ate last night