Act as
Act as verb - Function as or act like.
Declare invalid and act as are semantically related. In some cases you can use "Declare invalid" instead a verb "Act as".
Declare invalid
Act as and declare invalid are semantically related. Sometimes you can use "Act as" instead a verb phrase "Declare invalid".
Cite this Source
Declare invalid and Act as. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/act_as/declare_invalid
Act as & Declare invalid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/act_as/declare_invalid>.
Declare invalid or Act as. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/act_as/declare_invalid.
Google Ngram Viewer shows how "act as" and "declare invalid" have occurred on timeline