訝いぶかしい

i-adjective

suspicious; doubtful; fishy

Describes a feeling that something is not quite right, arousing suspicion or doubt. Often used when the speaker senses something off about a situation, statement, or person's behavior.

• 彼かれの説せつ明めいにはどこかいぶかしい点てんがある。

  There is something suspicious about his explanation.