From Longman Dictionary of Contemporary English-ar-ar /ə, ɑː $ ər, ɑːr/ suffix 1 [in adjectives]XX relating to something stellar (=relating to stars) polar (=relating to the North or South Pole)2 [in nouns]XX someone who does something a liar (=someone who lies)
Examples from the Corpus
-ar• a beggarARAR1 the written abbreviation of ArkansasARAR2 /ˌeɪ, ˈɑː $ -ˈɑːr/ noun [uncountable] the abbreviation of augmented realityOrigin -ar 1. Latin -aris2. -er 