To swell or distend by inhaling or injecting air or gas; distend in any manner: as, to infiate the lungs, a bladder, or a balloon.To swell or extend unduly; expand beyond proper or natural limits; raise above the just amount or value: as, to infiate the currency or prices; to inflate the market (that is, the price of marketable commodities, as stocks).To puff out or up; make swollen or turgid.To puff up; elate: as, to inflate one with pride or self-importance.Inflated.