sail close to the wind

sail close to the wind idiom
Be on the verge of doing something illegal or improper, as in She was sailing pretty close to the wind when she called him a liar. This term alludes to the danger incurred when literally sailing too close to (that is, in the direction of) the wind. Its figurative use dates from the first half of the 1800s.

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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