Declare invalid
Slap on and declare invalid are semantically related. In some cases you can use "Slap on" instead a verb phrase "Declare invalid".
Slap on
Slap on verb - Apply carelessly.
Declare invalid and slap on are semantically related. Sometimes you can use "Declare invalid" instead a verb "Slap on".
Cite this Source
Slap on and Declare invalid. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/declare_invalid/slap_on
Declare invalid & Slap on. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/declare_invalid/slap_on>.
Slap on or Declare invalid. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/declare_invalid/slap_on.
Google Ngram Viewer shows how "declare invalid" and "slap on" have occurred on timeline