← DefinitionshareGuessstiffadjectiveFirm, hard, or not easy to bend or move.verbTo fail to pay someone money that is owed, such as a tip or a debt.nounA dead body.adverbCompletely or very much (used with 'scare', 'bore', etc.).SynonymsrigidadjectivefirmadjectiveformaladjectivecorpsenounAntonymsflexibleadjectivelimpadjective