1. At an indefinite or unstated time: I'll meet you sometime this afternoon.
2. At an indefinite time in the future: Let's get together sometime.
3. Obsolete. Sometimes.
4. Archaic. Formerly.

1. Having been at some prior time; former: a sometime secretary.
2. Usage Problem. Occasional.

USAGE NOTE   Sometime as an adjective has been employed to mean "former" since the 15th century. Since the 1930s, people have used it to mean "occasional": the team's sometime star and sometime problem child. This latter use, however, is unacceptable to a majority of the Usage Panel. See Usage Notes at someday.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.