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alienist

American  
[eyl-yuh-nist, ey-lee-uh-] / ˌeɪl yə nɪst, ˌeɪ li ə- /

noun

  1. (formerly) a doctor specializing in the treatment of mental illness.

  2. an expert witness in a sanity trial.


alienist British  
/ ˈeɪljənɪst, ˈeɪlɪə- /

noun

  1. a psychiatrist who specializes in the legal aspects of mental illness

  2. obsolete a person who practises alienism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of alienist

1860–65; alien(ation) + -ist; compare French aliéniste in same sense

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If Fanning's relative stiffness was excusable in "The Alienist" owing to the idea that Sara's confidence in her intellect was new and constantly being assaulted in this man's world, here she's calcified her emotions.

From Salon • Jul. 19, 2020

After Lady Jaye died of an acute heart arrhythmia in 2007, Genesis continued their Pandrogeny Project, and recording a final album with Psychic TV, Alienist, in 2016.

From BBC • Mar. 14, 2020

The Alienist Adapted from Caleb Carr’s best-selling psychological thriller, this new eight-episode series has its official premiere tonight, after a preview on Sunday.

From Los Angeles Times • Jan. 21, 2018

I remember reading "The Alienist" when it was first published and enjoying it very much, and I doubt if any film could match the pictures my imagination conjured up while reading it.

From New York Times • Jan. 5, 2018

Alienist, āl′yen-ist, n. one who specially treats mental diseases.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various