Part of speech:
The definition of assiduous is someone that is diligent and constant.
The definition of arduous is a way of describing something that is extremely tiring and difficult.
Difficult to undertake, surmount, or defeat:
Characterized by or requiring toil.
Lacking in shade; undiminished:
Difficult to do or deal with
Demanding great exertion; arduous and exhausting.
The definition of burdensome is something that is hard to deal with, or that places too great of expectations.
The definition of hardworking is a term used to describe a person or thing that is diligent or zealous at completing a task.
(Law) Entailing more liabilities than benefits or imposing significant obligations.
Rigorous is defined as something that is harsh or very strict.
Persevering and constant in effort or application; assiduous.
The definition of strenuous is something that takes a lot of effort, work or energy to do.
Difficult to endure; severe; harsh:
Marked by difficulty or strong resistance; laborious:
Free from worry, anxiety, trouble, or pain:
(--- Biology) Having no divisions or branches; not compound:
Acting, working, or done easily, or in a quick, smooth way; fluent; ready
The definition of trivial is insignificant, or of no importance.
Conducive to inactivity or indolence:
The definition of idle is doing nothing or not filled with activities or actions.
(Usage Problem) Reluctant; unwilling.
Showing lack of interest or spirit; listless; languid
Requiring much effort or attention:
Making severe demands; rigorous:
Requiring more than is reasonable; demanding; exacting
Hard to lift or move because of great weight; weighty
Hard to put up with; causing great discomfort or fatigue
Difficult to travel over or through:
The definition of severe is someone or something that is very serious, harsh or critical.
The definition of trying is defined as an irritating person or thing.
Having considerable weight; heavy.
(Of a story) Hard to believe, such as a tall story or a tall tale.
Very busy; industrious
Currently in use or effect:
Find another word for laborious. In this page you can discover 46 synonyms, antonyms, idiomatic expressions, and related words for laborious, like: assiduous, arduous, diligent, formidable, toilsome, hard, stiff, indefatigable, difficult, backbreaking and burdensome.