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someday

adverb
SaySUM-dayUS/ˈsʌmˌdeɪ/UK/ˈsʌmdeɪ/

1 meaning of someday

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  1. 1
    adverb
    At some point in the future, with no particular time in mind.

    She hopes to open her own bakery someday.

    Someday, when the kids are grown, we might sell the house and travel.

    UsageWrite some day, two words, for a particular day not yet chosen (some day next week).

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    Oppositenever

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Origin

A univerbation of some + day: the two words were joined into one.

Checked 3 Nov 2026 · 1 fact

  • Someday arose by joining some and day into one word (univerbation). en.wiktionary.org