Relentless

/rɪˈlɛntləs/

Meaning & Definition

adjective
Oppressively constant; incessant.
The relentless heat of the sun made it impossible to enjoy the day outside.
Showing or promising no cease or mitigation.
Her relentless pursuit of perfection often led her to work late into the night.
Unyielding in severity or strictness.
The relentless criticism from the media took a toll on the young actor's mental health.

Etymology

From Middle English, from Old French 'relentir' meaning 'to soften' + '-less' meaning 'without'.

Common Phrases and Expressions

relentless pursuit
A continuous and uncompromising quest for something.
relentless pressure
Constant and unyielding stress or demand in a certain situation.

Related Words

relent
To become less severe or more mild.
relentlessness
The quality of being relentless; persistence without yielding.

Slang Meanings

Non-stop determination
That kid is relentless in his training for the championship.
Unyielding attitude
Her relentless spirit won her the title.