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The definition of laborious

3 Definitions of: laborious

1. adjective, involving great exertion or long effort
2. adjective, given to working hard
3. adjective, (of literary style, etc) not fluent
4. Show me some examples of this word: laborious
5. Show me the etymology of the word: laborious

Synonyms:	assiduous, hard, difficult, tire, exhaust, wearing, tough, fatigue, uphill, strenuous	And more...
Antonyms:	easy, natural

From Collins