DictionarytaciturnHabitually quiet
adjective

taciturn

TASS-ih-turn/ˈtæsɪtɜːrn/

Usually quiet and unwilling to talk.

My taciturn neighbor rarely says more than hello to anyone.

At a relaxed cafe gathering, one reserved adult sits listening with closed mouth and folded hands while two companions chat animatedly.
Etymology

Latin taciturnus described someone disposed to silence. Taciturn therefore describes a habitual reluctance to speak, rather than simply being quiet at a particular moment.

In context

The People Profiles18:10
as a dictator was formed during these years, he was a somewhat enigmatic character, one who displayed a large level of self-control and was reserved and introspective, nevertheless, despite his taciturn character
Pol Pot - The Khmer Rouge & the Killing Fields Documentary

More examples

  • Even among friends, Lena remains taciturn.
  • His taciturn manner makes conversation difficult.
  • Our taciturn coach prefers to demonstrate rather than explain.

Forms

taciturn

taciturnity noun — The habit of speaking very little.

Similar words

reserved
Emphasizes holding back feelings or opinions, not necessarily speaking little.
reticent
Often describes reluctance to discuss a particular subject.
quiet
Describes little speech or noise, without implying unwillingness.