Thesaurus
Learn More About o
Cite this Entry
“O.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/o. Accessed 16 May. 2022.
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Name That Color
-
- Name that color:
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZ-
What a Hoot!
15 bird sounds, and the birds who make them
-
Great Big List of Beautiful & Useless Words
Along with their degrees of usefulness
-
What's the Difference?
These words shouldn't be used interchangeably
-
Words For Things You Didn't Know Have Names
When 'thingamajig' and 'thingamabob' just won't do
-
Ending a Sentence with a Preposition
An old-fashioned rule we can no longer put up with.
-
'All Intensive Purposes' or 'All Intents and Purposes'?
We're intent on clearing it up
-
'Mispronunciations' That May Be Fine
'Mischievous,' 'nuclear,' and other words to pron...
-
Why Did Yankee Doodle Call a Feather 'Macaroni'?
What's with his feathered cap?
-
Face Your Fears
Don't be scared to answer these questions about f...
Take the quiz
-
Figure Out These Acronyms ASAP
You don't have to be a NASA engineer to get these...
Take the quiz
-
Name Those Herbs and Spices
How many do you know?
Take the quiz
-
How Strong Is Your Vocabulary?
The faster you answer, the higher your score
Take the quiz
Share o
Time Traveler for o
The first known use of o was before the 12th century
See more words from the same century