Functional and Unusable

Opposite meaning words

Functional adjective - Being in effective operation.

Usage example: I don't think that vending machine is functional, so don't put money into it

Show all Definitions

Unusable is an antonym for functional.

Unusable adjective - Not capable of being put to use or account.

Usage example: a completely unusable gadget that's just taking up space in the drawer

Show all Definitions

Functional is an antonym for unusable.

Nearby Word: unused

Cite this Source

Unusable and Functional. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/functional/unusable

Functional & Unusable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/functional/unusable>.

Unusable or Functional. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/functional/unusable.

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