Meanings
adjectiveunrelentless (comparative more unrelentless, superlative most unrelentless)
comparative more unrelentless · superlative most unrelentless
- Without respite or let up; unrelenting; relentless.
Origin
Blend of unrelenting + relentless. Perhaps a malapropism of unrelenting - unrelentless would technically have the opposite meaning, that is to say not relentless.
Full word history & related roots →Cite this entry
APA
unrelentless. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unrelentless
MLA
“unrelentless.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unrelentless. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “unrelentless,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unrelentless.
Source: unrelentless on Wiktionary, CC BY-SA 4.0.