I need to see more hard evidence to become less of a skeptic.
Since he was a skeptic, he doubted that anyone would be able to accomplish the seemingly impossible task.
He couldn't understand why the woman was still a skeptic even after being shown research and facts on the topic.
The man was a religious skeptic and had never considered attending church.
Even after the haunted tour, he was still a skeptic with regards to the reality of ghosts in the town.
Sue was such a skeptic she thought her friend's news was too good to be true.
Tim was a skeptic of Jeff's moral standard, so this led to many interesting debates between them.
The teacher encouraged his bright student to be a skeptic instead of simply memorizing everything he was told.