Cite this Entry
“AO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AO. Accessed 5 Mar. 2021.
Comments on AO
What made you want to look up AO? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Can you spell these 10 commonly misspelled words?
A daily challenge for crossword fanatics.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
"Godspeed," dear readers.
Buying low and selling high in the meme market
Let's take it from the top.
Knowing the difference
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
Take this quiz and discover 12 words for things y...
Our most challenging yet!
A game of winding words.