Definitions

1. adjective

having a strong, unpleasant smell, like fish

“This meat has gone fishy after a few days in the fridge.”

2. adjective

unusual or suspicious, often in a way that is not easily explained

“There was something fishy about the way he got the job without any experience.”

3. noun

a person or thing that is unusual or suspicious

“The police are investigating a fishy character who was seen near the scene of the crime.”