off the shelf

off the shelf idiom
Ready-made, available from merchandise or in stock, as opposed to a special order. For example, Sometimes you can get a better discount by buying an appliance off the shelf. [First half of 1900s] Also see off the rack; on the shelf.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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