peculiar
pih-KYOOL-yeradjMeaning strange or odd; also, belonging only to one person or place
Memory hook PICKLE-YER ice cream? PECULIAR!. Grandpa Gus orders a scoop of vanilla and asks for a pickle on top. Ivy stares. How peculiar!
Grandpa has the peculiar habit of putting pickles on his ice cream.
In context The fish is peculiar to this one lake; scientists have searched every other river and pond in the region and never found it anywhere else.
Similar strange, odd, curious, weird
Opposite normal, ordinary, usual
From Latin peculiaris, “of one’s own property,” from peculium (private property); the sense “strange” came later.