elective mutism

American  

[ih-lek-tiv myoo-tiz-uhm] / ɪˈlɛk tɪv ˈmyu tɪz əm /

noun

Psychiatry.

1. an unwillingness to speak in nearly all social environments, a condition not attributed to an organic speech disorder but rather to a defiant refusal that may stem from depression or trauma.

---

Etymology

Origin of elective mutism

First recorded in 1945–1950

Example Sentences

Until about 15 years ago, children were routinely considered to have "elective mutism," which suggests the silence is willful and controlling.

From Time Magazine Archive