flirtatious /flɚˈteɪʃəs/ adjective2 •Of or pertaining to flirtation.It as not for him to stroll past the groups of watchful girls, blowing a flute made of an eagle's wing bone, as the flirtatious young bucks did. — 1950 •Having a tendency to flirt often. formsmore flirtatious · most flirtatious