Declare invalid
Frustrate and declare invalid are semantically related. in equal out topic. In some cases you can use "Frustrate" instead a verb phrase "Declare invalid".
Frustrate
Frustrate verb - To prevent from achieving a goal.
Declare invalid and frustrate are semantically related. Sometimes you can use "Declare invalid" instead a verb "Frustrate".
Nearby Words: frustration, frustrating
Mutual synonyms
Cite this Source
Frustrate and Declare invalid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/declare_invalid/frustrate
Declare invalid & Frustrate. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/declare_invalid/frustrate>.
Frustrate or Declare invalid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/declare_invalid/frustrate.
Google Ngram Viewer shows how "declare invalid" and "frustrate" have occurred on timeline