Suspect/səˈspekt/ Definition 1 of 4Pro Tip 1/3Initial Doubt Use when you just begin to think someone did wrong, before proof. I suspect he's hiding something from us. Pro Tip 2/3Flexible Strength The level of certainty can vary, from a hunch to near certainty. She suspected the noise was just the wind. Pro Tip 3/3Not Just Guilt It can also imply someone might be involved in any situation, not only criminal. I suspect he knows more than he's saying.