MeanOF

laborious

- adjective (adj)

Meaning: hard, difficult

Synonyms: arduous backbreaking burdensome effortful fatiguing forced heavy herculean labored onerous operose ponderous rough go stiff strained strenuous tiresome toilsome tough tough job wearing wearisome wicked
Antonyms: easy effortless facile simple trivial
- adjective (adj)

Meaning: hardworking

Synonyms: active assiduous diligent indefatigable industrious operose painstaking persevering sedulous tireless unflagging
Antonyms: idle lackadaisical lazy reticent

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.