Arduous - Definition

adj 1: characterized by effort to the point of exhaustion;
especially physical effort; "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" [syn: arduous,
backbreaking, grueling, gruelling, hard, heavy,
laborious, operose, punishing, toilsome]
2: taxing to the utmost; testing powers of endurance; "his
final, straining burst of speed"; "a strenuous task"; "your
willingness after these six arduous days to remain here"-
F.D.Roosevelt [syn: arduous, straining, strenuous]
3: difficult to accomplish; demanding considerable mental effort
and skill; "the arduous work of preparing a dictionary"