yesterday is on the Basic English 850 List.
yes - yesterday - you
yesterday is one of the 1000 most common headwords.
yes - yesterday - yet

Pronunciation change

Pronoun change

Pronoun
yesterday

  1. (on) the day before today
    Yesterday, I went to the store.
    Victor chaired the meeting yesterday.
  2. the past in general
    His clothes are like yesterday's fashion.
    I met her yesterday morning.

Antonyms change

Noun change

Singular
yesterday

Plural
yesterdays

  1. (countable) (plural) Yesterdays are days in the past.
    He remembered all his yesterdays.

See also change