transitive. To convert into a thing of an opposite character or tendency; to alter or change completely, or so as to act in the opposite…

transitive. To turn back, cause to return; sometimes, to bring back, restore. Obsolete.

To reverse the doing or making of (some material thing or effect) so as to restore the original form or condition.

transitive. To reverse or undo the making of (something material); to return (someone or something) to an unmade condition; to break, destroy; to…

transitive. To begin again; to cause to begin again; to renew.

transitive. To take out of a woven, intertwined, or entangled state or condition; esp. to unravel or undo (a woven fabric).

transitive. Scottish. To unmake (in quot.: spec. to depose). Obsolete. rare.

transitive. To make substantial again; (also) †to change (something) back into the original form (obsolete).

(un-, prefix2 affix 1a. Cf. Dutch ontspinnen.)

transitive. To put back into or return to a previous position, state, or condition. Now rare.

transitive. To cause (something) to return, esp. into or to a former place or state. Obsolete.

transitive. To change (a person or thing) back into a previous or original form. Frequently with from, into.

transitive. To restore (a person) to his or her original form or state; to change back.

transitive. To convert (something) again, or back to a previous state.

transitive. To reverse, undo, or annul (past life or experience).

transitive. To reverse, to undo; to annul. Obsolete.

transitive. To cause to fall back; to return (a person or thing) to an undesirable state or condition. Frequently with into. Obsolete.

To turn round; also figurative to reverse, convert.

(un-, prefix2 affix 1a.)

transitive. To reverse the payment of (a debt, charge, etc.); to render or consider unpaid. Also with back.

transitive. To cause (a device) to return to a former state, esp. a condition of readiness. Also reflexive: = sense 9c.

transitive. To cause to return to a former function or condition.

transitive. To unweave. (In quot. 1882 figurative.)