Ace and Quack

Opposite meaning words

Ace noun - A person with a high level of knowledge or skill in a field.

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Quack is an antonym for ace.

Quack noun - One who makes false claims of identity or expertise.

Usage example: don't bother to see that guy, as I've heard he's a quack with no actual training

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Ace is an antonym for quack.

Nearby Words: quackery, quacking

single ace

single quack

Cite this Source

Quack and Ace. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/ace/quack

Ace & Quack. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/ace/quack>.

Quack or Ace. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/ace/quack.

Google Ngram Viewer shows how "ace" and "quack" have occurred on timeline