[ uhn-tak ]

verb (used with object)
  1. to unfasten (something tacked).

  2. to loose or detach by removing a tack or tacks.

Origin of untack

First recorded in 1635–45; un-2 + tack1

Words Nearby untack

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use untack in a sentence