1 to take (eg string, thread etc ) out of its tangled condition; disentangle: She could not unravel the tangled thread.
az: açmaq
ru: распутывать
2 (especially of a knitted fabric) to undo or become undone: My knitting (got) unravelled/unraveled when it fell off the needles.
az: açılmaq
ru: распускать(ся)
3 to solve (a problem, mystery etc): Is there no-one who can unravel this mystery?
az: həll etmək
ru: разгадывать