D defs.my
Entry 1 sense Webster, 1913

Alphabetically

· Al·pha·bet·ic·al·ly · IPA /ˌælfəbˈɛtɪkliː/
01 adv. In an alphabetic manner; in the customary order of the letters.
  1. 1.
    In an alphabetic manner; in the customary order of the letters.