unbeknownst/ˌʌnbɪˈnoʊnst/ListenUSadverb1(followed by to) without the knowledge of“He went home early, unbeknownst to his mother.”SynonymsunbeknownunknownTranslate “unbeknownst” 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