verb

• (transitive)
• (also figuratively) To loosen or undo (something that entangles, fastens, holds, or interlocks).
• (also figuratively) To relax or slacken (something that clasps or grips, such as the arms or hands).
• To free (someone or something) from a constraint; (figuratively) to release (something which has been suppressed, such as emotions or objectionable things).
• (archaic) To remove or take off (especially something undesirable).
• (intransitive)
• To become loose or come off.
• (also figuratively) To free from a constraint.