Associations to the word «Arduous»

Wiktionary

ARDUOUS, adjective. Needing or using up much energy; testing powers of endurance.
ARDUOUS, adjective. (obsolete) burning; ardent
ARDUOUS, adjective. (Discuss([/2016/?action=edit&section=new&preloadtitle=%5B%5BArduous%5D%5D +]) this sense) Difficult or exhausting to traverse.

Dictionary definition

ARDUOUS, adjective. 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".
ARDUOUS, adjective. 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.
ARDUOUS, adjective. Difficult to accomplish; demanding considerable mental effort and skill; "the arduous work of preparing a dictionary".

Wise words

We should have a great fewer disputes in the world if words were taken for what they are, the signs of our ideas only, and not for things themselves.
John Locke