oh

[ oh ]
/ oʊ /

interjection

(used as an expression of surprise, pain, disapprobation, etc.)
(used in direct address to attract the attention of the person spoken to): Oh, John, will you take these books?

noun, plural oh's, ohs.

the exclamation “oh.”

verb (used without object)

to utter or exclaim “oh.”

Origin of oh

later spelling of O, from mid-16th century

Can be confused

O oh owe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ohing (1 of 2)

OH


abbreviation for

Ohio

British Dictionary definitions for ohing (2 of 2)

oh

/ (əʊ) /

interjection

an exclamation expressive of surprise, pain, pleasure, etc

sentence connector

an expression used to preface a remark, gain time, etcoh, I suppose so
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