There are 2 definitions of Ar in English:

Ar1

Line breaks: Ar

symbol

The chemical element argon.

Definition of Ar in:

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude

There are 2 definitions of Ar in English:

AR2

Line breaks: AR

abbreviation

1US Arkansas (in official postal use).
1.1Autonomous Republic.

Definition of Ar in: