Longman Dictionary of Contemporary English - suspect

~1 v 1 to think that something is probably true or likely, especially something bad  (suspect (that))  (She strongly suspected her husband had been lying. | suspect murder/foul play (=suspect that someone has been murdered) | suspect spoken)  (It was a decision, I suspect, that he will later regret.) 2 to think that someone is probably guilty  (Who do you suspect? | suspect sb of sth)  (He's suspected of murder. | suspect sb of doing sth)  (Pilcher was suspected of being a spy.) 3 to distrust someone or doubt the truth of something  (I began to suspect his motives when he asked to borrow more.) ~2 n someone who is thought to be guilty of a crime  (Two suspects were arrested today in connection with the robbery.) ~3 adj 1 something that is suspect seems likely to have something wrong with it and should not be trusted, believed, or depended on  (The evidence against the four Irishmen was highly suspect. | highly suspect) 2 only before noun suspect packages, goods etc look as if they contain something illegal or dangerous  (Customs officers impounded the suspect crates.)