Not becoming less severe or intense.
From the prefix "un-" meaning "not" and the verb "relent" meaning "to become less severe or intense".
- The heat wave was unrelenting, and there was no relief in sight.
- The pain was unrelenting, and she couldn't get any sleep.
- The storm was unrelenting, causing widespread destruction.
- The enemy's attack was unrelenting, and we had to retreat.
- The politician's criticism was unrelenting and it was hard for him to gain any supporters.