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on end

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on end

continuously at a stretch She practices the violin for hours on end.

Usage notes: on end is used with hours, days, weeks, and other units of time: He's often away for weeks on end.

See also: end, on

on end

Continuously, without interruption, as in It's been raining for days on end. This term, which might just as well be put "seemingly without end," dates from about 1300.

See also: end, on

on end

1. Having one end down; upright: books placed on end on the shelf.

2. Without stopping: drove for hours on end.

See also: end, on