First Known Use: 1526
Dictionary
alpha and omega
noun
Definition of ALPHA AND OMEGA
1
: the beginning and ending
2
: the principal element
See alpha and omega defined for English-language learners
ADVERTISEMENT
Origin of ALPHA AND OMEGA
from the fact that alpha and omega are respectively the first and last letters of the Greek alphabet
Learn More About ALPHA AND OMEGA
Browse
Next Word in the Dictionary: Alpha AndromedaePrevious Word in the Dictionary: alpha–adrenergicAll Words Near: alpha and omega
ADVERTISEMENT
Seen & 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).