Declare invalid
Scratch and declare invalid are semantically related. In some cases you can use "Scratch" instead a verb phrase "Declare invalid".
Scratch
Scratch verb - To damage by rubbing against a sharp or rough surface.
Declare invalid and scratch are semantically related. Sometimes you can use "Declare invalid" instead a verb "Scratch".
Cite this Source
Scratch and Declare invalid. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/declare_invalid/scratch
Declare invalid & Scratch. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/declare_invalid/scratch>.
Scratch or Declare invalid. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/declare_invalid/scratch.
Google Ngram Viewer shows how "declare invalid" and "scratch" have occurred on timeline