Simple past tense and past participle of unravel.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "unravelled" in a sentence
"He has still not let on why he considers everything unravelled once Samuel Eto'o squeezed the opening goal past Edwin van der Sar."
"He admitted that the closing stages of last season represented his lowest ebb, when he felt powerless as a promising campaign unravelled so spectacularly."
"Last week's eurozone deal would probably have unravelled anyway, given that Greece cannot pay its way, that the eurozone bank recapitalisation programme is too leisurely, that the bailout fund does not yet exist and that fiscal consolidation, however desirable, still remains a long way off."