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Erstwhile vs Umwhile - What's the difference?

erstwhile | umwhile |

As adverbs the difference between erstwhile and umwhile

is that erstwhile is formerly; in the past while umwhile is formerly; late; whilom.

As adjectives the difference between erstwhile and umwhile

is that erstwhile is former, previous while umwhile is erstwhile; late; former.

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

    umwhile

    English

    Adjective

    (-)
  • (obsolete, outside, dialects, chiefly, Scotland) erstwhile; late; former.

    • Adverb

    (-)
  • (obsolete, outside, dialects, chiefly, Scotland) formerly; late; whilom.
    • English words prefixed with um- ----