#1 unravel v. [unknot, unscramble, untangle, unpick] become or cause to become undone by separating the fibers or threads of; "unravel the thread". wn
#2 unravel v. [ravel, ravel out] disentangle; "can you unravel the mystery?". wn
#3 unravel v. [run] become undone; "the sweater unraveled". wn
vizzz