Webster's Revised Unabridged Dictionary · 1913

grueling

grueling , adjective

1.

characterized by toilsome effort; requiring extreme physical or mental effort; as, a grueling campaign.

Also: gruelling

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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