(statistics) Initialism of autoregressive.

(countable, weaponry) an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.

Postal abbreviation of Arkansas

The name of the Latin-script letter R.

(UK, West Country, West Midlands) Alternative form of arr

(UK, West Country, West Midlands) Alternative form of arr

Obsolete spelling of are

Of, near, or pertaining to; adjective suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also.

Forming nouns such as vicar, exemplar, bursar, etc.

Forming nouns such as beggar, liar, pedlar, etc.