sometime
[adverb]
Synonyms: yet, eventually, finally, someday, somewhen, sooner or later, ultimately
[adjective]
Synonyms: former, bygone, erstwhile, late, old, once, onetime, past, quondam, whilom

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Related Idioms: one of these days

[TahlilGaran] English Synonym Dictionary ▲

I. some‧time¹ , ˈsome time /ˈsʌmtaɪm/ adverb
at a time in the future or in the past, although you do not know exactly when
sometime around/in/during etc
We’ll take a vacation sometime in September.
Our house was built sometime around 1900.

[TahlilGaran] Dictionary of Contemporary English ▲

II. sometime² adjective [only before noun]

1. formal former:
Sir Richard Marsh, the sometime chairman of British Rail

2. American English used to say that someone does or has a particular job part of the time:
Grimm, a sometime delivery driver, lives with his elderly mother.

[TahlilGaran] Dictionary of Contemporary English ▲