Nebulous and Sure

Opposite meaning words

Nebulous adjective - Having an often intentionally veiled or uncertain meaning.

Usage example: made nebulous references to some major changes the future may hold

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Sure is an antonym for nebulous in confused topic.

Nearby Words: nebula, nebulosity, nebulously

Sure adjective - Having or showing a mind free from doubt.

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Nebulous is an antonym for sure.

Nearby Word: surely

Cite this Source

Sure and Nebulous. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/nebulous/sure

Nebulous & Sure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/nebulous/sure>.

Sure or Nebulous. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/nebulous/sure.

Google Ngram Viewer shows how "nebulous" and "sure" have occurred on timeline