Synonyms for laborious | laborious synonyms

painstaking (noun)

arduous (adjective)

Synonyms:

difficult, hard, strenuous, toilsome, gruelling, formidable.

tedious (adjective)

Synonyms:

tiresome, tiring, labourious, effortful.

diligent (adjective)

Synonyms:

industrious, assiduous.

onerous (noun)

burdensome (adjective)

Synonyms:

cumbersome.

heavy (noun)

Synonyms:

grueling.

exhausting,