formidable

adj. frightening, causing fear; difficult, discouraging, intimidating; awesome; powerful

Formidable is the soundtrack to the show performed at the Moulin Rouge in Paris, France by American singer La Toya Jackson. Only 3,000 copies were pressed and it has become one of the most sought-after albums by La Toya's fans.La Toya was the main attraction at the Moulin Rouge for four months, at which point she broke her contract and was fined $550,000 by the owners of Moulin Rouge.
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Adjective
1. extremely impressive in strength or excellence; "a formidable opponent"; "the challenge was formidable"; "had a formidable array of compositions to his credit"; "the formidable army of brains at the Prime Minister's disposal"
(similar) impressive
2. inspiring fear; "the formidable prospect of major surgery"; "a tougher and more redoubtable adversary than the heel-clicking, jackbooted fanatic"- G.H.Johnston; "something unnerving and prisonlike about high gray wall"
(synonym) redoubtable, unnerving
(similar) alarming

adj. tremendous, fantastic; wonderful, sensational; terrific, splendid; marvelous

adj. formidable, redoubtable, dreadful; tremendous; bully; mean