firmadjective/ˈfiʁ.mɨ/mediumPortuguesEnglishEspanolFrancaisDefinitionSolid, strong, or secure in structure or character.The table is very firm and does not wobble.He has a firm opinion on the matter.synsolidstrongantfragileEtymologyDo latim 'firmus'Related wordsfirmezafirmementefirmar