Suspiciousness

His suspiciousness towards government officials was heightened after the scandal was exposed.

The citizen's suspiciousness of the government's intentions led to a public protest.

His suspiciousness explanation didn't convince anyone

The detective's suspiciousness towards the suspect's alibi made him investigate further.

Her suspiciousness made her doubt even her closest friends.

His suspiciousness towards the government's policies made him attend the protest.

Her suspiciousness of strangers made it difficult for her to make new friends.

His suspiciousness made it hard for him to trust anyone.

His facial expressions showed his suspiciousness about the situation.