# relentless

/ɹɪˈɫɛntɫɪs/ (US) · /ɹɪlˈɛntləs/ (UK)

Source: https://englishreference.com/word/relentless
Updated: 2026-06-20

## Senses

### 1. never stopping

adjective · CEFR B2

continuing without stopping or getting weaker, often in an annoying or tiring way.

For teachers: unremitting and steady in pace or intensity; often used to describe sounds, weather, or pressure.

- The relentless noise from the construction site made it impossible to sleep.
- The relentless rain throughout the weekend caused significant delays in the outdoor restoration project.

Usage: Usually placed before the noun it describes.

### 2. strict and determined

adjective · CEFR C1 · Formal

refusing to give up or be less strict.

For teachers: unyielding or inflexible in purpose, severity, or determination.

- The team was relentless in their search for the truth.
- The prosecutor was relentless in his cross-examination, refusing to let the witness avoid the difficult questions.

Teaching tip: While often negative, this can be used as a compliment for someone's work ethic or determination.

## Examples

- The relentless rain flooded the streets.
- The team faced relentless pressure from their opponents throughout the entire second half of the match.
- The desert's relentless heat forced the expedition to travel only during the twilight hours, as the midday sun proved too punishing for even the most experienced guides.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.