|Origin:||Latin, past participle of suspicere; SUSPECT1|
not likely to be completely honest [= dodgy]:
I've always thought he was a bit of a suspect character.
The company was involved in some highly suspect business dealings.
not likely to be completely true:
The two men were convicted on the basis of some highly suspect evidence.
likely to have problems and not work well:
The engine sounded a bit suspect.
4 [only before noun]
likely to contain a bomb or something illegal or dangerous:
Police were called in to check out a suspect van.