疑うたがい深ぶかい

i-adjective

suspicious; distrustful; incredulous

Describes a person who habitually doubts others' words or motives; often used for a skeptical or wary nature.

• 彼かれは疑うたがい深ぶかい性せい格かくで、人ひとの言いうことをすぐには信しんじない。

  He has a suspicious nature and doesn't easily believe what people say.

• そんなに疑うたがい深ぶかくならなくてもいいじゃないか。

  You don't have to be so distrustful.