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

yesterday

adjective
 
/ˈjestədeɪ/,
 
/ˈjestədi/
 
/ˈjestərdeɪ/,
 
/ˈjestərdi/
[not before noun] (informal, often humorous)
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  1. no longer fashionable or new
    • Email—that's so yesterday!
    • PCs are so yesterday.
    Word OriginOld English giestran dæg (from yester- Old English geostran, of Germanic origin + day).
See yesterday in the Oxford Advanced American Dictionary
Check pronunciation: yesterday

Nearby words

trait
noun
 
 
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