Proof
Proof adjective - (used in combination or as a suffix) able to withstand.
Persistent and proof are semantically related. In some cases you can use "Persistent" instead an adjective "Proof".
Persistent
Persistent adjective - Continuing despite difficulties, opposition, or discouragement.
Proof and persistent are semantically related. Sometimes you can replace term "Proof" with "Persistent", this adjectives are similar.
Cite this Source
Persistent and Proof. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/proof/persistent
Proof & Persistent. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/proof/persistent>.
Persistent or Proof. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/proof/persistent.
Google Ngram Viewer shows how "proof" and "persistent" have occurred on timeline