grueling

[ groo-uh-ling, groo-ling ]
/ ˈgru ə lɪŋ, ˈgru lɪŋ /

adjective

exhausting; very tiring; arduously severe: the grueling Boston marathon.

noun

any trying or exhausting procedure or experience.
Also especially British, gru·el·ling.

Origin of grueling

1850–55; slang gruel punishment (noun), punish (v.) + -ing2, -ing1

OTHER WORDS FROM grueling

gru·el·ing·ly, adverb

Words nearby grueling

grudge, grudging, grudziadz, grue, gruel, grueling, gruelling, gruenberg, gruesome, gruff, gruffy

Example sentences from the Web for gruelling

British Dictionary definitions for gruelling

gruelling

US grueling

/ (ˈɡruːəlɪŋ) /

adjective

severe or tiring a gruelling interview

noun

informal a severe experience, esp punishment

Word Origin for gruelling

C19: from now obsolete vb gruel to exhaust, punish