Impugnable
Impugnable adjective - Subject to being discredited.
Know stuff and impugnable are semantically related. In some cases you can use "Know stuff" instead an adjective "Impugnable".
Know stuff
Impugnable and know stuff are semantically related. Sometimes you can use "Impugnable" instead an adjective phrase "Know stuff".
Mutual synonyms
Cite this Source
Know stuff and Impugnable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/impugnable/know_stuff
Impugnable & Know stuff. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/impugnable/know_stuff>.
Know stuff or Impugnable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/impugnable/know_stuff.
Google Ngram Viewer shows how "impugnable" and "know stuff" have occurred on timeline