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Idioms and Phrases with cover one's tracks

cover one's tracks

Conceal one's whereabouts, activities, intentions, or the evidence of one's involvement. For example, No one knows much about where he's been—he's very good at covering his tracks. This term transfers hiding one's footprints to more general activities. [1870s] Also see cover up, def. 2.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.