Definitions for "Expletive"
Filling up; hence, added merely for the purpose of filling up; superfluous.
A word, letter, or syllable not necessary to the sense, but inserted to fill a vacancy; an oath.
A signal of a transformation in the structure of a sentence that occurs without changing the meaning. The expletive there shifts the order of subject and verb in a sentence: There were over four thousand runners in the marathon. [COMPARE Over four thousan
Keywords:  profane, rude, anger, surprise, annoyed
profane or obscene expression usually of surprise or anger; "expletives were deleted"
a rude word or expression you use when you are annoyed or excited
Any material which conveys no meaning per se but serves to enhance vocal texture, promote continuity, etc.