grue
ling
Comparative
more grueling
Superlative
most grueling
1
extremely tiring and demanding strenuous effort and perseverance
- The marathon runners faced a grueling challenge as they pushed themselves to complete the race.
- The hikers embarked on a grueling trek through the mountains, enduring steep climbs and harsh weather.
- She completed the grueling race despite the harsh conditions.
- The grueling hike up the mountain left everyone exhausted.
- After a grueling day of meetings, he could hardly keep his eyes open.