arduous /ärˈdū-əs/

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

ardˈuously adverb

• log-house
• log-houses
• Loghtan
• Loghtyn
• log-hut
• log-huts
• logia
• logic
• logical
• logical analysis
• logical atomism
• logical designer
• logical designers
• logical elements
• logical empiricism
• logicalities
• logicality
• logically
• logicalness
• falsity
• Falstaffian
• faltboat
• faltboats
• falter
• faltered