Defined
Defined adjective - Showing clearly the outline or profile or boundary.
Theoretical is an antonym for defined.
Theoretical
Theoretical adjective - Existing only as an assumption or speculation.
Usage example: the merits of the new testing procedures are purely theoretical, since no one has ever used them before
Defined is an antonym for theoretical.
Both words in one sentence
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Then the theoretical Level 6 is introduced, defined as the esper in question obtaining near-omnipotence, to the point that they could be considered "God".
Source: Rank Inflation - Half-Life, being a series that centers on a team of theoretical physicists fighting an alien invasion of Earth, is full with lots of references to modern physics, which is using the Greek alphabet as symbols for new discovered and defined units and constants in Real Life.
Source: Gratuitous Greek
Cite this Source
Theoretical and Defined. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/defined/theoretical
Defined & Theoretical. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/defined/theoretical>.
Theoretical or Defined. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/defined/theoretical.
Google Ngram Viewer shows how "defined" and "theoretical" have occurred on timeline