ataraxia

UK: /ˌætəˈræksɪə/ US: (at′ə rak′sē ə)

WordReference Random House Unabridged Dictionary of American English © 2026

at•a•rax•i•a  (at′ə rak′sē ə), n. 

1. a state of freedom from emotional disturbance and anxiety; tranquillity.

Also, at•a•rax•y  (at′ə rak′sē). 

• Greek: calmness, equivalent. to atarák(tos) unmoved (a- a-⁶ + tarak-, variant stem of tarássein to disturb + -tos verbid suffix) + -s(is) -sis + -ia -ia
• Latin
• 1595–1605

at•a•rac•tic  (at′ə rak′tik), at′a•rax′ic, adj., n. 

Collins Concise English Dictionary © HarperCollins Publishers::

ataraxia / ˌætəˈræksɪə/, ataraxy / ˈætəˌræksɪ/ noun

1. calmness or peace of mind; emotional tranquillity

Etymology: 17th Century: from Greek: serenity, from ataraktos undisturbed, from a-¹ + tarassein to trouble