Ma'anar ƙamus na kalmar "farashin hauhawar farashin kaya" yana nufin karuwar kashi na jimlar farashin kayayyaki da sabis a cikin tattalin arziki na tsawon lokaci, yawanci shekara guda. Ma'auni ne na ƙimar da ƙarfin siyan kuɗi ke raguwa. Ana ƙididdige ƙimar hauhawar farashin kayayyaki ta hanyar kwatanta matsakaicin farashin kwandon kaya da sabis a cikin shekara da aka ba da shi zuwa matsakaicin matakin farashin kwandon kaya da sabis a cikin shekarar da ta gabata.