alphabetical

/ˌælfəˈbɛtɪkəl/
adjective
  1. Arranged in the order of the letters of the alphabet (A to Z).
    • The library books are sorted in alphabetical order by the author's last name.
    • The index at the back of the book lists topics in alphabetical sequence.
    • Please put these vocabulary cards in alphabetical order.
  2. Relating to or using an alphabet.
    • English uses an alphabetical writing system, unlike Chinese characters.
    • The earliest alphabetical scripts were developed thousands of years ago.
    • Learning alphabetical symbols is the first step in reading.
Antonyms
What does "alphabetical" mean? | whatsthatwordmean | whatsthatwordmean