Meanings
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1
adj
of sound mind and in full control of one's mental faculties, chiefly in the phrase compos mentis
Despite the shock, the witness remained compos mentis and answered clearly.
Thesaurus
Opposites
non compos mentisincapacitated
Word family
Etymology
From Latin compos, 'having mastery or control,' used in compos mentis, literally 'master of one's mind.' Latin compos combines com-, 'together or fully,' with potis, 'able or powerful.'