Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Latin
Origin: peculiaris 'of private property, special', from peculium 'private property', from pecu 'cattle'

peculiar

adjective
     
pe‧cu‧li‧ar
1 strange, unfamiliar, or a little surprising:
There was a peculiar smell in the kitchen.
Something peculiar is going on.
It seems very peculiar that no one noticed Kay had gone.
2

be peculiar to somebody/something

if something is peculiar to a particular person, place, or situation, it is a feature that only belongs to that person or only exists in that place or situation:
The problem of racism is not peculiar to this country.
3 behaving in a strange and slightly crazy way:
He's been a little peculiar lately.
She's a very peculiar child.
4

feel peculiar/come over all peculiar

British English informalMI to feel slightly ill

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