The definition of laborious is something that requires a lot of work and that is often tedious or difficult.
(adjective)See laborious in Webster's New World College Dictionary
adjective
Origin: ME < OFr laborios < L laboriosus < labor, labor
Related Forms:
See laborious in American Heritage Dictionary 4
adjective
Origin:
Origin: Middle English
Origin: , from Old French laborieux
Origin: , from Latin labōriōsus
Origin: , from labor, labor
.Related Forms:
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