Anxious and Unflappable

Anxious

Anxious adjective - Feeling or showing uncomfortable feelings of uncertainty.

Unflappable is an antonym for anxious.

Nearby Words: anxiety, anxiously

Unflappable

Unflappable adjective - Not easily panicked or upset.
Usage example: the unflappable teacher never even blinked when the wall map came crashing down

Anxious is an antonym for unflappable.
Cite this Source
Unflappable and Anxious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/anxious/unflappable
Anxious & Unflappable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/anxious/unflappable>.
Unflappable or Anxious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/anxious/unflappable.
Google Ngram Viewer shows how "anxious" and "unflappable" have occurred on timeline