/ Dictionary / Index A alphabetical: Meaning and Definition of Find definitions for: al•pha•bet•i•cal Pronunciation: (al"fu-bet'i-kul), [key] — adj. in the order of the letters of the alphabet: alphabetical arrangement. pertaining to, expressed by, or using an alphabet: alphabetical writing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alphabetical (Thesaurus) alphabet code alphabetize Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language