Home › Words › S › stairfulstairfulstairful means the amount that fills a staircase.Among words judged in Lexicurio's Arena, stairful ranks #2,165 of 42,747 for Qualifying.EtymologyFrom stair + -ful.nounThe amount that fills a staircase.Definitions & examples from Wiktionary (CC BY-SA 3.0).