alphabet /ˈæl.fəˌbɛt/noun 7verb 1forms 3 noun7 •The set of letters used when writing in a language.The Greek alphabet has only twenty-four letters.In the first year of school, pupils are taught to recite the alphabet. •A typically finite set of distinguishable symbols. •A writing system in which letters represent phonemes. (Contrast e.g. logography, a writing system in which each character represents a word, and syllabary, in which each character represents a syllable.) •A writing system in which there are letters for the consonant and vowel phonemes. (Contrast e.g. abjad.) •The simplest rudiments; elements.The very alphabet of our law. — 1828 •(dialect, nonstandard) An individual letter of an alphabet; an alphabetic character.The notes are named with the first seven alphabets. •(Internet) An agent of the FBI, the CIA, or another such government agency. verb1 •(rare) To designate by the letters of the alphabet; to arrange alphabetically. formsalphabeted · alphabeting · alphabets