Smelly
/ˈsmɛli/
adjective
Having a bad smell.
“She was hesitant to remove her shoes, as her socks were rather smelly.”
Having a quality that arouses suspicion.
“The detective read the documents and thought, "Something sure is smelly about this case."”
(in extreme programming) Having signs that suggest a design problem; having a code smell.
“That smelly code needs to be refactored.”
Synonyms: dodgy, doubtful, dubious, suspect, suspicious, fetid, foul-smelling, malodorous