Erstwhile vs Yester - What's the difference?

erstwhile | yester |


As adverbs the difference between erstwhile and yester

is that erstwhile is formerly; in the past while yester is yesterday.

As adjectives the difference between erstwhile and yester

is that erstwhile is former, previous while yester is last; last past; next before; of or pertaining to yesterday.

As a noun yester is

yesterday.

erstwhile

English

Adverb

(-)
  • Formerly; in the past.

    • Synonyms

    * erewhile

    Adjective

    (-)
  • (literary, legal) Former, previous.
  • *{{quote-book, year=1905, author=
    • , title= , chapter=2 citation , passage=“Scarcely had Alice reached her twentieth birthday, than she gave her erstwhile fiancée [sic] his formal congé. […]”}}

    Synonyms

    * former, once, previous, quondam, onetime * See also

    yester

    English

    Adverb

    (-)
  • (archaic) Yesterday.

    • Adjective

    (-)
  • (archaic) Last; last past; next before; of or pertaining to yesterday.

    • Noun

    (en noun)
  • (archaic) Yesterday.

    • Derived terms

    (terms derived from yester) * yesterday * yestereve * yester-hour * yester-minute * yestermonth * yestermorn * yesternight * yesternoon * yesterweek * yesteryear