Suspicious

The dog's barking at the stranger was suspicious.

The person's suspicious gaze at the group raised a few eyebrows.

She gave a suspicious look to her friend when she asked about her ex-boyfriend.

The emails seemed suspicious to him, so he deleted them right away.

The detective thought that the suspect's alibi was suspicious.

The suspicious smell coming from the kitchen made the guests worried.

The stranger's suspicious offer to help carry groceries made the person hesitant.

The rusty car parked in front of the house was a suspicious sight.

The dark alleyway was a suspicious place to walk alone.

The suspicious stains on his shirt made her suspect that he had spilled something on it.

The strange noises coming from the abandoned building were suspicious.

His suspicious behavior made me question his honesty.

The neighbor reported suspicious activity to the police.

The detective had a suspicious mind and suspected everyone in the murder case.

The security guard was suspicious of the man's bulging bag.

The editor was suspicious of the author's plagiarism.

The diplomat was suspicious of the sudden change in the foreign government's stance.

The archaeologist was suspicious of the authenticity of the newly discovered artifact.

The politician was suspicious that his opponent was using dirty tactics in the campaign.

The gamer was suspicious that someone was cheating in the online game.