follow Dictionary.com

Your favorite word could be our Word of the Day!

o'

[uh, oh] /ə, oʊ/
preposition
1.
an abbreviated form of of, as in o'clock or will-o'-the-wisp.
2.
an abbreviated form of on.
Origin
Middle English; by shortening.

O'

1.
a prefix meaning “descendant,” in Irish family names:
O'Brien; O'Connor.
Origin
representing Irish ó descendant, Old Irish au
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for o'

o'

/ə/
preposition
1.
(informal or archaic) shortened form of of a cup o' tea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for o'

O'

as a prefix in Irish names, from Irish ó, ua (Old Irish au) "descendant."

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for o'

Many English speakers likely know this word

Word Value for o

0
0
Scrabble Words With Friends

Quotes with o'

Nearby words for o'