for free

for free idiom
Without charge, gratis, as in You can't expect the doctor to treat you for free. [Colloquial; c. 1900]

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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