Antonyms of adj rotten

3 senses of rotten

Sense 1
icky, crappy, lousy, rotten, shitty, stinking, stinky -- (very bad; "a lousy play"; "it's a stinking world")

INDIRECT (VIA bad) -> good -- (having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office")

Sense 2
decayed, rotten, rotted -- (damaged by decay; hence unsound and useless; "rotten floor boards"; "rotted beams"; "a decayed foundation")

INDIRECT (VIA unsound) -> sound -- (in good condition; free from defect or damage or decay; "a sound timber"; "the wall is sound"; "a sound foundation")

Sense 3
rotten -- (having decayed or disintegrated; usually implies foulness; "dead and rotten in his grave")

INDIRECT (VIA stale) -> fresh -- (recently made, produced, or harvested; "fresh bread"; "a fresh scent"; "fresh lettuce")

Similarity of adj rotten

3 senses of rotten

Sense 1
icky, crappy, lousy, rotten, shitty, stinking, stinky -- (very bad; "a lousy play"; "it's a stinking world")
       => bad (vs. good) -- (having undesirable or negative qualities; "a bad report card"; "his sloppy appearance made a bad impression"; "a bad little boy"; "clothes in bad shape"; "a bad cut"; "bad luck"; "the news was very bad"; "the reviews were bad"; "the pay is bad"; "it was a bad light for reading"; "the movie was a bad choice")

Sense 2
decayed, rotten, rotted -- (damaged by decay; hence unsound and useless; "rotten floor boards"; "rotted beams"; "a decayed foundation")
       => unsound (vs. sound) -- (not in good condition; damaged or decayed; "an unsound foundation")

Sense 3
rotten -- (having decayed or disintegrated; usually implies foulness; "dead and rotten in his grave")
       => stale (vs. fresh) -- (lacking freshness, palatability, or showing deterioration from age; "stale bread"; "the beer was stale")