Speculation and Surmise

Speculation

Speculation noun - A message expressing an opinion based on incomplete evidence.

Surmise is a synonym for speculation in theory topic. In some cases you can use "Surmise" instead the word "Speculation" as a noun or a verb, when it comes to topics like opinion. popular alternative

Surmise

Surmise noun - An opinion or judgment based on little or no evidence.
Usage example: my surmise is that the couple's “good news” is the announcement that they are going to have a baby

Speculation is a synonym for surmise in guess topic. You can use "Speculation" instead a noun "Surmise", if it concerns topics such as opinion, theory. popular alternative

Nearby Words: surmised, surmising
Cite this Source
Surmise and Speculation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/speculation/surmise
Speculation & Surmise. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/speculation/surmise>.
Surmise or Speculation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/speculation/surmise.
Google Ngram Viewer shows how "speculation" and "surmise" have occurred on timeline