Synonyms of 'sometime'
Why don't you come and see me sometime?
at some point in the future
sooner or later
one of these days
by and by
By and by the light gradually grew fainter.
She was in her early thirties, a sometime actress, dancer and singer.
usage note:Sometime as a single word should only be used to refer to an unspecified point in time. When referring to a considerable length of time, you should use some time. Compare: It was some time after, that the rose garden was planted, i.e. after a considerable period of time, with It was sometime after the move that the rose garden was planted, i.e. at some unspecified point after the move, but not necessarily a long time after.
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by and by
You use erstwhile to describe someone that used to be the type of person indicated, but no longer is.
He is suing his erstwhile friend and business partner.
Thesaurus for sometime from the Collins English Thesaurus
You use sometime to refer to a time in the future or the past that is unknown or that has not yet been decided .