Oxford Advanced American Dictionary

Definition of ordinary adjective from the Oxford Advanced Learner's Dictionary

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ordinary

adjective
ordinary pronunciation English ˈɔːdnri ordinary pronunciation American ˈɔːrdneri
 
1 [usually before noun] not unusual or different in any wayan ordinary sort of dayin the ordinary course of eventsordinary people like you and meThis was no ordinary meeting.2 (disapproving) having no unusual or interesting featuresThe meal was very ordinary. compare extraordinaryordinariness
ordinariness pronunciation English ˈɔːdnrinəs ordinariness pronunciation American ˈɔːrdnerinəs
noun [uncountable]
Idioms

in the ordinary way

(British English) used to say what normally happens in a particular situationIn the ordinary way, she's not a nervous person.

out of the ordinary

unusual or different
I'm looking for something a little more out of the ordinary.His behaviour was nothing out of the ordinary (= not unusual).