Expletive
Expletive , adjective
[Latin expletivus, from expletus, past participle of explere to fill up; ex out+plere to fill, akin to plenus full: compare French explétif. See Full.]
Filling up; hence, added merely for the purpose of filling up; superfluous.
Expletive imagery.
Expletive phrases to plump his speech.
Expletive , noun
A word, letter, or syllable not necessary to the sense, but inserted to fill a vacancy; an oath.
While explectives their feeble aid to join,
And ten low words oft creep in one dull line.