Ar has 10 different meanings across 4 categories:
Noun · Intj · Particle · Proper Noun
a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
a state in south central United States; one of the Confederate states during the American Civil War
The name of the Latin-script letter R .
an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.
Obsolete spelling of are
Initialism of autoregressive.
Alternative form of arr
Alternative form of arr
Postal abbreviation of Arkansas