to tangle (threads, fibres, etc) or (of threads, fibres, etc) to become entangled

to tease or draw out (the fibres of a fabric or garment) or (of a garment or fabric) to fray out in loose ends; unravel

to disentangle or resolve

to break up (a road surface) in patches or (of a road surface) to begin to break up; fret; scab

to make or become confused or complicated

a tangle or complication