Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun expletive

2 senses of expletive

Sense 1
curse, curse word, expletive, oath, swearing, swearword, cuss -- (profane or obscene expression usually of surprise or anger; "expletives were deleted")
       => profanity -- (vulgar or irreverent speech or action)

Sense 2
expletive -- (a word or phrase conveying no independent meaning but added to fill out a sentence or metrical line)
       => utterance, vocalization -- (the use of uttered sounds for auditory communication)