Definition of laborious

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< labor-intensive

laborite >

la·bo·ri·ous

-bôr

s, -b

-) KEY

ADJECTIVE:

Marked by or requiring long, hard work: spent many laborious hours on the project.
Hard-working; industrious.

ETYMOLOGY:
Middle English, from Old French laborieux, from Latin labrisus, from labor, labor

OTHER FORMS:
la·bori·ous·ly(Adverb), la·bori·ous·ness(Noun)

Thesaurus: synonyms for laborious

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