「怪しい」(あやしい) describes something that seems suspicious, dubious, or questionable. It can refer to a person's behavior, an object's appearance, or a situation that raises doubts or makes one feel uneasy, implying something is not quite right or trustworthy. Example: 怪しい男が家の周りをうろついていた。 (A suspicious man was loitering around the house.)

疑わしく、信用できないと感じること。