unwind
     v 1: reverse the winding or twisting of; "unwind a ball of yarn"
          [syn: {wind off}, {unroll}] [ant: {wind}]
     2: separate the tangles of [syn: {disentangle}]
     3: become less tense, rest, or take one's ease; "He relaxed in
        the hot tub"; "Let's all relax after a hard day's work"
        [syn: {relax}, {loosen up}, {unbend}, {decompress}, {slow
        down}] [ant: {tense}]
     4: cause to feel relaxed; "A hot bath always relaxes me" [syn:
        {relax}, {unstrain}, {unlax}, {loosen up}, {make relaxed}]
        [ant: {tense}, {tense}]
     [also: {unwound}]
Source: WordNet® 2.0