unfastenverb1To detach from any connecting agency or link; to disconnect.2To come unloosed or untied.SynonymsundoAntonymsbuttonbutton updo uptie upzipzip upTranslate “unfasten” to another languageClick any language to open the translator with this word already filled in.SpanishEspañolFrenchFrançaisGermanDeutschChinese中文Japanese日本語Korean한국어ArabicالعربيةHindiहिन्दीPortuguesePortuguêsRussianРусскийItalianItalianoDutchNederlandsTurkishTürkçePolishPolskiVietnameseTiếng ViệtThaiไทยIndonesianBahasa IndonesiaBengaliবাংলাSwedishSvenskaGreekΕλληνικάShow all 252 languages