(v. t.) To loose from tangles or intricacy; to disentangle; to resolve; as, to untangle thread.

answer bottom break loose break out clarify clear clear up crack cut loose debug decipher decode disembarrass disembroil disencumber disengage disentangle disintricate disinvolve dislodge divine do dope dope out explain extricate fathom figure out find out find the answer find the solution free get get out get right guess guess right have it hit it interpret make out open the lock plumb psych psych out puzzle out ravel ravel out release resolve riddle solve sort out tear loose unbraid unclutter uncoil undo unknot unlock unmix unravel unriddle unscramble unsnarl unthread untwine untwist unweave unwind work work out