rotten
rot-ten
adjective
Feeling very unwell or ill.
"I feel absolutely rotten today."
adjective
Decayed or decomposing, often with a foul smell.
"The apple was rotten inside."
adjective
Extremely bad, unpleasant, or of poor quality.
"That was a rotten thing to do."
Thesaurus
Synonyms: decayed, unsound, rotted, stinky, icky, crappy, lousy, stinking, shitty, bad, stale