/ Dictionary / Index S split infinitive: Meaning and Definition of Find definitions for: split' infin'itive Pronunciation: [key] — Gram. Gram. an expression in which there is a word or phrase, esp. an adverb or adverbial phrase, between to and its accompanying verb form in an infinitive, as in to readily understand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. split image range finder split-level Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language