gru‧el‧ling British English,
grueling American English /ˈɡruː
əlɪŋ/
adjective[
Date: 1800-1900;
Origin: gruel 'to punish' (1800-1900), from gruel 'food'; because people were given gruel as a punishment]
very difficult and tiring:
The cast took a break from their gruelling schedule. a grueling journey [TahlilGaran] Dictionary of Contemporary English ▲