highly suspect
- dubiousOf uncertain reliability
- shadyDisreputable or sun-blocked
- fishyArousing doubt, colloquially
- questionableOf uncertain validity
- dodgyQuestionable in character
sketchy · unreliable · untrustworthy · guilty · accused · alibi · motive · interrogation · evidence · circumstantial · shadowy · evasive · nervous · lying · deceitful · criminal · investigation · hunch
trustworthiness/credibility
highly suspectabove suspicion
Immune to accusation
beyond reproach · unimpeachable · trustworthy · reliable · above board
evidential status
highly suspectwell-established
Firmly in place, enduring
confirmed · proven · substantiated · authenticated · validated