against the grain

against the grain idiom
Opposed to one's inclination or preference, as in We followed the new supervisor's advice, though it went against the grain. This metaphor refers to the natural direction of the fibers in a piece of wood, called its grain; when sawed obliquely, or “against the grain,” the wood will tend to splinter. [c. 1600] For a synonym, see rub the wrong way.

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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