Definition of "Peculiar" :

adjective: characteristic of one only; distinctive or special

"The peculiar character of the Government of the U.S.."

adjective: markedly different from the usual

"A peculiar hobby of stuffing and mounting bats."

adjective: beyond or deviating from the usual or expected

"The peculiar aromatic odor of cloves."

adjective: unique or specific to a person or thing or category

"A peculiar bond of sympathy between them."