arduous /ärˈdū-əs/

1. Steep, difficult to climb
2. Difficult to accomplish
3. Laborious

ardˈuously adverb

ardˈuousness noun

• sweet sultan
• sweet talk
• sweet-talk
• sweet-talked
• sweet-talking
• sweet-talks
• sweet-tempered
• sweet-toothed
• sweet-water
• sweetwater
• sweetwaters
• sweet william
• sweet willow
• sweet willows
• sweetwood
• sweet woodruff
• sweetwoods
• sweet-wort
• sweetwort
• sweet-worts
• sweety
• sweir
• sweirness
• sweirnesses
• sweirt