Letters that make arduous
s, a, o, d, r, u are letters that make 'arduous'
3 possible definitions for 'arduous'
Under this definition, arduous is an adjective and has the following properties:
arduousness, strenuousness, strain, pains, striving, nisus are derivatives of 'arduous'.
effortful is similar to arduous.
"his final, straining burst of speed", "a strenuous task", "your willingness after these six arduous days to remain here"- F.D.Roosevelt
Under this definition, arduous is an adjective and has the following properties:
hard, backbreaking, gruelling, heavy, grueling, laborious, operose, punishing, toilsome have the same meaning as 'arduous'
hardness, arduousness, strenuousness, laboriousness, operoseness, toilsomeness, ruggedness, burdensomeness, heaviness, onerousness, oppressiveness, labor, labour, toil are derivatives of 'arduous'.
effortful is similar to arduous.
"worked their arduous way up the mining valley", "a grueling campaign", "hard labor", "heavy work", "heavy going", "spent many laborious hours on the project", "set a punishing pace"
Under this definition, arduous is an adjective and has the following properties:
arduousness, strenuousness are derivatives of 'arduous'.
"the arduous work of preparing a dictionary"