Insidious
Insidious adjective - Working or spreading in a hidden and usually injurious way.
Knowing and insidious are semantically related. In some cases you can use "Knowing" instead an adjective "Insidious".
Nearby Word: insidiously
Mutual synonyms
Both words in one sentence
- These arent people who do so for its own sake — thats Blue — or for some insidious long-term goal — thats Black — but because they get satisfaction out of knowing and having things, no matter how trivial.
Source: Analysis / Magic: The Gathering
Cite this Source
Knowing and Insidious. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/insidious/knowing
Insidious & Knowing. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/insidious/knowing>.
Knowing or Insidious. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/insidious/knowing.
Google Ngram Viewer shows how "insidious" and "knowing" have occurred on timeline