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sua sponte

American  
[soo-uh spon-tee, -tey] / ˈsu ə ˈspɒn ti, -teɪ /

adverb

Law.
  1. (used by a judge or court to indicate that a motion is coming from the court itself and was not introduced or prompted by either party to the judicial matter.)


Etymology

Origin of sua sponte

First recorded in 1805–15; from Latin: “by one's free will”; cf. suicide ( def. ), spontaneous ( def. )

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.

I patiently explained that neither law clerks nor justices get to imprison people sua sponte.

From Slate • Apr. 3, 2026

Even without this complaint, the Grievance Committee could also act sua sponte where infamous criminal notoriety might instead suffice, as may have been the case when it disbarred Michael Cohen.

From Slate • Nov. 20, 2019

All the civilian female defense attorneys wore Islamic headdresses when their clients were present—not at the request of their clients, nor for religious reasons, but sua sponte, to build trust.

From The Wall Street Journal • Jan. 21, 2018

Ann. vi. 23; whereas sua sponte, quite of one’s own accord, like αὐτομάτως, in opp. to rogatus, provocatus, or invitatus.

From Döderlein's Hand-book of Latin Synonymes by Döderlein, Ludwig

Si actus huiusmodi ad explendam libidinem ponantur, eos vel ipse naturalis hominis sensus sua sponte respuit, ac multo magis mentis iudicium, quotiescumque rem mature recteque considerat.

From Moral Theology A Complete Course Based on St. Thomas Aquinas and the Best Modern Authorities by Callan, Charles Jerome