nubile UK /ˈnjuːbaɪl/US /ˈnubaɪl/adjective 2noun 1forms 3 adjective2 •Of an age suitable for marriage; marriageable (principally of a young woman). •Sexually attractive (especially of a young woman). noun1 •A woman of marriageable age; a sexually attractive young woman formsnubiles · more nubile · most nubile