YESTERDAY

[adverb] [not gradable], [noun] - (on) the day before todayWe only got home from France yesterday.He rang yesterday while you were out.I saw her yesterday afternoon."Is that today's paper?" "No, it's yesterday's." [U]Yesterday can also refer more generally to the recent past.But this is a fickle world and nobody's interested in yesterday's pop-stars. [U]Yes, I know they're having an affair - I wasn't born yesterday (= I'm not stupid)!