Effective and Otiose

Opposite meaning words

Effective adjective - Producing or capable of producing a desired result.

Show all Definitions

Otiose is an antonym for effective.

Otiose adjective - Producing no results.

Usage example: since you haven't read the book, I suppose that it would be otiose to inquire what you thought of it

Show all Definitions

Effective is an antonym for otiose.

Cite this Source

Otiose and Effective. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/effective/otiose

Effective & Otiose. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/effective/otiose>.

Otiose or Effective. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/effective/otiose.

Google Ngram Viewer shows how "effective" and "otiose" have occurred on timeline