Sure and Undecided

Opposite meaning words

sentence examples

Sure

Sure adjective - Impossible to avoid or evade.
Usage example: the joke's a sure dud if you don't pause in the right places
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Synonyms for Sure
Antonyms for Sure
Undecided is an antonym for sure.
Nearby Word: surely

Undecided

Undecided adjective - Not yet settled or decided.
Usage example: a number of undecided matters still before the committee
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Synonyms for Undecided
Antonyms for Undecided
Sure is an antonym for undecided in not sure topic.
Nearby Word: undecidedly
Similar words of sure

Similar words of undecided

Both words in one sentence

  • Sliding Scale of Comedy and Horror: At the time, James wasn't really sure which element he wanted to stress more, and in hindsight, he feels that the films have a "weird, undecided tone".
    Source: Film / Snix
  • Trans Equals Gay Their daughter (or son..... even they don't seem to be sure) is still undecided in the transgender department (as they likes to be one or other on a whim so genderqueer isn't out of it), but is apparently bisexual.
    Source: Trans Equals Gay
Cite this Source
Undecided and Sure. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/sure/undecided
Sure & Undecided. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/sure/undecided>.
Undecided or Sure. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/sure/undecided.

Antonyms for sure


Antonyms for undecided

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