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oh

[ oh ]
/ oʊ /
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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.”

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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of oh

Later spelling of O, from mid-16th century
O, oh , owe

Definition for oh (2 of 3)

Oh
[ oh ]
/ oʊ /

noun

Sa·da·ha·ru [sah-duh-hahr-oo], /ˌsɑ dəˈhɑr u/, born 1940, Chinese baseball player and manager in Japan.

Definition for oh (3 of 3)

OH

abbreviation

Ohio (approved especially for use with zip code).
(used in digital communications) other half (def. 2).
(used in digital communications) overheard.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for oh (1 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

British Dictionary definitions for oh (2 of 2)

OH

abbreviation for

Ohio
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
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