Collected and Unstable

Collected

Collected adjective - Free from emotional or mental agitation.
Usage example: stayed calm and collected while she was in the MRI unit

Unstable is an antonym for collected.

Unstable

Unstable adjective - Not being in or able to maintain a state of balance.

Collected is an antonym for unstable.

Nearby Word: unstably
Cite this Source
Unstable and Collected. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/collected/unstable
Collected & Unstable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/collected/unstable>.
Unstable or Collected. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/collected/unstable.
Google Ngram Viewer shows how "collected" and "unstable" have occurred on timeline