STINKY

malodorous, malodourous, unpleasant-smelling, ill-smelling, stinky

(adjective) having an unpleasant smell

icky, crappy, lousy, rotten, shitty, stinking, stinky

(adjective) very bad; “a lousy play”; “it’s a stinking world”

Source: WordNet® 3.1

Etymology

Adjective

stinky (comparative stinkier or more stinky, superlative stinkiest or most stinky)

Having a strong, unpleasant smell; stinking.

(informal) Bad, undesirable.

Source: Wiktionary