1 Synonym-Gruppe zu Schwierigkeit

demanding, difficult, tough, arduous, strenuous, hard,, grueling, formidable, rigorous, exacting, trying, testing, laborious, daunting, stiff, uphill, Herculean, ambitious, tricky, complex, intricate, complicated, knotty, thorny, perplexing, puzzling, baffling, bewildering, mystifying, enigmatic, problematic, tough-going, backbreaking, exhausting, fatiguing, energy-sapping, nerve-wracking, nerve-racking, stress-inducing, high-pressure, intense, severe, harsh, punishing, relentless, unrelenting, unyielding, uncompromising [x]