1a feeling or thought that something is possible, likely, or true:she had a sneaking suspicion that he was laughing at her
a feeling or belief that someone is guilty of an illegal, dishonest, or unpleasant action:police would not say what aroused their suspicions [mass noun]:he was arrested on suspicion of murder
2 [mass noun] cautious distrust:her activities were regarded with suspicion by the headmistress
3a very slight trace:a suspicion of a smile
above suspicion
too obviously good or honest to be thought capable of wrongdoing.
