Decided and Undecided

Decided

Decided adjective - Not subject to misinterpretation or more than one interpretation.

Undecided is an antonym for decided in topics: determined, certain.

Nearby Words: decision, decidedly, deciding, decider

Undecided

Undecided adjective - Not yet settled or decided.
Usage example: a number of undecided matters still before the committee

Decided is an antonym for undecided in not sure topic.

Nearby Word: undecidedly

Both words in one sentence

  • Literature / Left Behind Hell: Where the undecided, the condemned (i.e., those who decided to follow Satan and the Antichrist), and those who come against the Jews and Israel during the Tribulation end up.
  • Anime / THE iDOLM@STER: Cinderella Girls By the end of it, Anya has decided to join Project Krone and Rin, though still undecided, unintentionally drives a wedge into New Generations when she reveals her indecision to her partners.
  • Webcomic / The Bedfellows Vanity License Plate: On Sheen's car in the "Keys Keys Keys" video - NOT GAY Viewer Gender Confusion: Invoked and played with; when new viewers had trouble guessing Fatigue's gender, the creators decided to roll with the idea and have Fatigue's gender be undecided.
Cite this Source
Undecided and Decided. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/decided/undecided
Decided & Undecided. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/decided/undecided>.
Undecided or Decided. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/decided/undecided.
Google Ngram Viewer shows how "decided" and "undecided" have occurred on timeline