expletive UK /ɪkˈspliːtɪv/US /ˈɛksplətɪv/noun 4adjective 2forms 3 noun4 •A profane, vulgar term, notably a curse or obscene oath.If we don't take advantage of any [expletive] in any way, then it's our loss. •An obscene or otherwise offensive interjection (such as shit, fuck, or damn it). •A word that adds to the strength of a phrase without affecting its meaning (such as fucking in "there's no fucking way he's gonna get away with it"). •A word without meaning added to fill a syntactic position. adjective2 •Serving to fill up, merely for effect, otherwise redundant.No one entered more fully than Shakespeare into the character of this species of poetry, which admits of no expletive imagery, no merely ornamental line. — 1839 •Marked by expletives (phrase-fillers). formsexpletives · more expletive · most expletive