EXPLETIVE

expletive. Expletive, n. an occasional syllable or word

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Ex″ple‐tive (?), a. [[L. expletivus, from expletus, p. p. of explere to fill up; ex out+plere to fill, akin to plenus full: cf. F. explétif. See Full.]] Filling up; hence, added merely for the purpose of filling up; superfluous. “Expletive imagery.” Hallam. Expletive phrases to plump his speech. Barrow.