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laborious

Pronunciation: /ləˈbɔːɹiəs/

The English word “laborious” has 3 meanings listed here.

adjective

  1. Requiring much physical effort; toilsome.
  2. Mentally difficult; painstaking.
  3. Industrious.

Etymology

From Old French laborios, from Latin laboriosus. By surface analysis, labor + -ious

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