Perpetually
Perpetually adverb - For all time.
Relentless and perpetually are semantically related. In some cases you can use "Relentless" instead an adverb "Perpetually".
Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Perpetually and relentless are semantically related. Sometimes you can use "Perpetually" instead an adverb "Relentless".
Nearby Word: relentlessly
Mutual synonyms
Both words in one sentence
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Charlie Brown developed from a standard "lovable loser" into a sensitive and intelligent Everyman, whose relentless track record of failure meant he struggled perpetually with the Really Big Questions.
Source: Comic Strip / Peanuts
Cite this Source
Relentless and Perpetually. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/perpetually/relentless
Perpetually & Relentless. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/perpetually/relentless>.
Relentless or Perpetually. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/perpetually/relentless.
Google Ngram Viewer shows how "perpetually" and "relentless" have occurred on timeline