We can use 'unlike' as a preposition of manner to show that something is different from another. Look at the examples below: Unlike your mother, you look startlingly calm. It's unlike Sarah to be so quiet in the company of her friends.

Examples of Unlike in a sentence Unlike her glamorous mother, the tomboy preferred tennis shoes over heels. Unlike its neighbor to the south, Canada has universal health care. It is very unlike my mother not to call me when she gets home from work. Unlike Sacramento, Seattle does not have an NBA team.