Feckless and Ultraefficient

Opposite meaning words

Feckless adjective - Not producing the desired result.

Usage example: a well-intentioned but feckless response to the rise in school violence

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Ultraefficient is an antonym for feckless.

Nearby Word: feck

Definitions of Feckless not found.

Feckless is an antonym for ultraefficient.

Cite this Source

Ultraefficient and Feckless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/feckless/ultraefficient

Feckless & Ultraefficient. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/feckless/ultraefficient>.

Ultraefficient or Feckless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/feckless/ultraefficient.

Google Ngram Viewer shows how "feckless" and "ultraefficient" have occurred on timeline