adjective

relentless

relentless, persistent, unyielding

The relentless heat was unbearable.

The relentless heat was unbearable.

She was a relentless opponent.

She was a relentless opponent.

relentless ((noun)) describes a noun as being persistent or unceasing The relentless rain continued for days.

Synonyms: persistent, unceasing, incessant; Antonyms: lenient, intermittent

From 'relent' + '-less' (without). 'Relent' means to soften, so 'relentless' means 'without softening'.

Think of something that has 'less' or no 'relenting' (stopping or easing up).

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