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Synonyms for formidable
modified
Inspiring fear or apprehension
fearful, forbidding, intimidating, impregnable; see dangerous 1, 2, terrible 1.Hard to deal with or overcome
challenging, arduous, onerous, overwhelming; see difficult 1.Inspiring awe or admiration
impressive, imposing, awesome, redoubtable; see grand 2, impressive 1.
See formidable in Webster's New World Roget's A-Z Thesaurus II
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