SLOTHFUL Meaning of SLOTHFUL in English slothful BrE AmE ˈsləʊθ f ə l ˈslɒθ-, -fʊl AmE \ ˈslɔːθ- ˈslɑːθ-, ˈsloʊθ- ▷ slothful|ly ‿i▷ slothful|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012