Insidious
Insidious adjective - Working or spreading in a hidden and usually injurious way.
Sharp and insidious are semantically related. In some cases you can use "Sharp" instead an adjective "Insidious".
Nearby Word: insidiously
Mutual synonyms
Cite this Source
Sharp and Insidious. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/insidious/sharp
Insidious & Sharp. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/insidious/sharp>.
Sharp or Insidious. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/insidious/sharp.
Google Ngram Viewer shows how "insidious" and "sharp" have occurred on timeline