Doable
Doable adjective - Capable of being done or carried out.
Usage example: the assignment will be just barely doable in the time allowed
Impossible is an antonym for doable in topics: reasonable, likely, realistic, feasible, within the realm of possibility.
Impossible
Impossible adjective - Incapable of being solved or accomplished.
Usage example: fitting everything in my backpack seemed an impossible task
Doable is an antonym for impossible.
Nearby Words: impossibility, impossibly
Both words in one sentence
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Difficulty ranges from the challenging but doable Terra to the near impossible Relm, Cyan and Umaro.
Source: Self-Imposed Challenge -
As Pink Kitty Rose points out, the rule seems to be that anything nigh-impossible is fake, but anything reasonably doable is real. Spin!
Source: Video Game / A Super Mario Thing -
Quite impossible in multiplayer given the frailty and weakness of zombies by themselves, but doable in certain campaign missions and a few custom scenarios.
Source: Video Game / Battle for Wesnoth
Cite this Source
Impossible and Doable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/doable/impossible
Doable & Impossible. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/doable/impossible>.
Impossible or Doable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/doable/impossible.
Google Ngram Viewer shows how "doable" and "impossible" have occurred on timeline