Functional and Theoretical

Opposite meaning words

Functional adjective - Capable of being put to use or account.

Usage example: a functional knowledge of auto mechanics

Show all Definitions

Theoretical is an antonym for functional.

Theoretical adjective - Existing only as an assumption or speculation.

Show all Definitions

Functional is an antonym for theoretical.

Cite this Source

Theoretical and Functional. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/functional/theoretical

Functional & Theoretical. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/functional/theoretical>.

Theoretical or Functional. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/functional/theoretical.

Google Ngram Viewer shows how "functional" and "theoretical" have occurred on timeline