untie

/สŒnหˆtaษช/
verb
  1. 1

    To loosen, as something interlaced or knotted; to disengage the parts of.

    โ€œto untie a knotโ€

  2. 2

    To free from fastening or from restraint; to let loose; to unbind.

  3. 3

    To resolve; to unfold; to clear.

  4. 4

    To become untied or loosed.

  5. 5

    In the Perl programming language, to undo the process of tying, so that a variable uses default instead of custom functionality.

Antonyms

Source: https://en.wiktionary.org/wiki/untie