Open English Wordnet
Nouns
(n)suspectsomeone who is under suspicion (n)defendant, suspecta person or institution against whom an action is brought in a court of law; the person being sued or accused Verbs
(v)suspect, surmiseimagine to be the case or true or probable“I suspect he is a fugitive”,
“I surmised that the butler did it” (v)distrust, mistrust, suspectregard as untrustworthy; regard with suspicion; have no faith or confidence in“I suspect her true motives”,
“she distrusts her stepmother” (v)suspecthold in suspicion; believe to be guilty“The U.S. suspected Bin Laden as the mastermind behind the terrorist attacks” Adjectives
(s)fishy, funny, shady, suspect, suspiciousnot as expected“there was something fishy about the accident”,
“up to some funny business”,
“some definitely queer goings-on”,
“a shady deal”,
“her motives were suspect”,
“suspicious behavior”