Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

alpha and omega


Definition of alpha and omega

  1. 1 :  the beginning and ending

  2. 2 :  the principal element

Origin and Etymology of alpha and omega

from the fact that alpha and omega are respectively the first and last letters of the Greek alphabet

First Known Use: 1526

Learn More about alpha and omega

Seen and Heard

What made you want to look up alpha and omega? Please tell us where you read or heard it (including the quote, if possible).