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Continuing through the week: a weeklong conference.
(of a holiday, course, etc) lasting a week
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|Adj.||1.||weeklong - lasting through a week; "her weeklong vacation"|
long - primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified; "a long life"; "a long boring speech"; "a long time"; "a long friendship"; "a long game"; "long ago"; "an hour long"