1. 脏字;咒骂语
An expletive is a rude word or expression such as 'Damn!' which you say when you are annoyed, excited, or in pain.

1. profane or obscene expression usually of surprise or anger

e.g. expletives were deleted

Synonym: cursecurse wordoathswearingswearwordcuss

2. a word or phrase conveying no independent meaning but added to fill out a sentence or metrical line