daunting Definition

intimidating, discouraging, formidable, insurmountable, challenging, difficult, arduous, complicated, tough, herculean, scary, grim, onerous, frightening, unnerving, fearsome, frustrating, monumental, thorny, staggering, laborious, dire, cumbersome, bleak, confusing, mammoth, terrifying, insuperable, disconcerting, intractable, impressive, troubling, burdensome, ominous, titanic, complex, knotty, worrisome, uphill, stark, strenuous, depressing, serious, colossal, overwhelming, hopeless, harrowing, enormous, gigantic, startling, disheartening, frightful, huge, crippling, horrendous, pressing, amazing, immense, massive, awesome, horrifying, incredible, dreadful, big, shocking, distressing, mighty, harsh, alarming, painstaking, worrying, devastating, vast, terrible, significant, stern, dismal, bold, rigorous, disappointing, gruesome, awful, major, disturbing, dreaded, dismaying, fantastic, sheer, hard, fierce, great, dramatic, powerful, unbelievable, horrific, severe, disquieting, terrific, horrible, large,