/ Dictionary / Index A adverbial: Meaning and Definition of Find definitions for: ad•ver•bi•al Pronunciation: (ad-vûr'bē-ul), [key] — adj. of, pertaining to, or used as an adverb. —n. a word or group of words functioning as an adverb. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adverbial (Thesaurus) adverb clause ad verbum* Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language