Aflutter and Unflappable
Opposite meaning words
Aflutter
Aflutter adjective - Feeling or showing uncomfortable feelings of uncertainty.
Unflappable is an antonym for aflutter.
Unflappable
Unflappable adjective - Not easily panicked or upset.
Usage example: the unflappable teacher never even blinked when the wall map came crashing down
Aflutter is an antonym for unflappable.
Cite this Source
Unflappable and Aflutter. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/aflutter/unflappable
Aflutter & Unflappable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/aflutter/unflappable>.
Unflappable or Aflutter. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/aflutter/unflappable.
Google Ngram Viewer shows how "aflutter" and "unflappable" have occurred on timeline