Endless
Endless adjective - Lasting forever.
Usage example: the endless roar is what I remember most about Niagara Falls
Indefectible and endless are semantically related. In some cases you can use "Indefectible" instead an adjective "Endless".
Indefectible
Indefectible adjective - Being entirely without fault or flaw.
Endless and indefectible are semantically related. Sometimes you can use "Endless" instead an adjective "Indefectible".
Mutual synonyms
Cite this Source
Indefectible and Endless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/endless/indefectible
Endless & Indefectible. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/endless/indefectible>.
Indefectible or Endless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/endless/indefectible.
Google Ngram Viewer shows how "endless" and "indefectible" have occurred on timeline