different between relentless vs deadly

English

Etymology

relent +? -less

Pronunciation

• IPA^(key): /???l?ntl?s/

Adjective

relentless (comparative more relentless, superlative most relentless)

1. Unrelenting or unyielding in severity.
2. Unremitting, steady and persistent.
   • 2016 January 31, "Is Huma Abedin Hillary Clinton’s Secret Weapon or Her Next Big Problem?," Vanity Fair (retrieved 21 January 2016):

     In Clintonworld, the reaction to Grassley’s relentless assault on Huma is one of resignation.

Derived terms

• relentlessness

Translations

English

Etymology

From Middle English dedly, dedlych, dedlich, from Old English d?adl?? (adjective); corresponding to dead +? -ly. Cognate with Dutch dodelijk, German tödlich.

The adverb is from Middle English dedliche, from Old English d?adl??e (adverb), from the adjective.

Pronunciation

• IPA^(key): /?d?d.li/

Adjective

deadly (comparative deadlier or more deadly, superlative deadliest or most deadly)

1. (obsolete, rare) Subject to death; mortal.
2. Causing death; lethal.
3. Aiming or willing to destroy; implacable; desperately hostile.
4. Very accurate (of aiming with a bow, firearm, etc.).
5. (informal) Very boring.
6. (informal) Excellent, awesome, cool.

Usage notes

In Australia, the sense "excellent, awesome, cool" is especially used by, or in connection with, Indigenous Australians.

Derived terms

• deadliness
• deadly sin

Translations

Adverb

deadly (comparative more deadly, superlative most deadly)

1. (obsolete) Fatally, mortally.
2. In a way which suggests death.

3. Extremely, incredibly.

Usage notes

Some adjectives commonly collocating with deadly: serious, clever, good

Derived terms

• fail-deadly

Translations

Related terms

• dead