Laborious synonyms | Best 52 synonyms for laborious

assiduous

The definition of assiduous is someone that is diligent and constant.

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formidable

Difficult to undertake, surmount, or defeat:

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arduous

The definition of arduous is a way of describing something that is extremely tiring and difficult.

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hard

Lacking in shade; undiminished:

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stiff

Difficult to do or deal with

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diligent

Performing with intense concentration, focus, responsible regard.

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burdensome

The definition of burdensome is something that is hard to deal with, or that places too great of expectations.

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sedulous

Persevering and constant in effort or application; assiduous.

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toilsome

Characterized by or requiring toil.

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tough

Difficult to endure; severe; harsh:

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idle (antonym)

The definition of idle is doing nothing or not filled with activities or actions.

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exacting

Making severe demands; rigorous:

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indefatigable

Extremely persistent and untiring.

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difficult (related)

Hard, not easy, requiring much effort.

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backbreaking

Demanding great exertion; arduous and exhausting.

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effortful

Requiring or showing effort.

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hardworking

The definition of hardworking is a term used to describe a person or thing that is diligent or zealous at completing a task.

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rigorous

Rigorous is defined as something that is harsh or very strict.

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strenuous

The definition of strenuous is something that takes a lot of effort, work or energy to do.

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uphill

Marked by difficulty or strong resistance; laborious:

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easy (antonym)

Free from worry, anxiety, trouble, or pain:

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simple (antonym)

(--- Biology) Having no divisions or branches; not compound:

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facile (antonym)

Acting, working, or done easily, or in a quick, smooth way; fluent; ready

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trivial (antonym)

The definition of trivial is insignificant, or of no importance.

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effortless (antonym)

Without effort.

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lazy (antonym)

Conducive to inactivity or indolence:

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reticent (antonym)

(Usage Problem) Reluctant; unwilling.

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lackadaisical (antonym)

Showing lack of interest or spirit; listless; languid

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demanding

Requiring much effort or attention:

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exigent

Requiring more than is reasonable; demanding; exacting

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heavy

Hard to lift or move because of great weight; weighty

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onerous

(Law) Entailing more liabilities than benefits or imposing significant obligations.

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oppressive

Hard to put up with; causing great discomfort or fatigue

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rough

Difficult to travel over or through:

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severe

The definition of severe is someone or something that is very serious, harsh or critical.

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taxing

Burdensome; wearing:

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trying

The definition of trying is defined as an irritating person or thing.

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weighty

Having considerable weight; heavy.

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serious

Without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

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tall

(Of a story) Hard to believe, such as a tall story or a tall tale.

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grueling

Alternative spelling of gruelling.

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gruelling

So difficult or taxing as to make one exhausted; backbreaking.

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operose

Very busy; industrious

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punishing

That inflicts punishment

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active (related)

Currently in use or effect:

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industrious

Hard-working and persistent; worksome.

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tedious (related)

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time-consuming (related)

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labourious (related)

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wearisome (related)

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painstaking (related)

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error-prone (related)

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Laborious synonyms and antonyms

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Laborious synonyms and antonyms

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Laborious Sentence Examples

Words that mention laborious in the Dictionary

Words near laborious in the Thesaurus