Laborious
Related Definitions
[adj] characterized by toilsome 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"
Related Terms
abstruse, ardent, arduous, assiduous, backbreaking, brutal, burdensome, careful, complex, critical, crushing, delicate, demanding, detailed, determined, difficile, difficult, diligent, dogged, effortful, energetic, exacting, exhausting, exhaustive, fatigu