WordReference Random House Unabridged Dictionary of American English © 2026
pro•pri•o mo•tu
(prô′pri ō′ mō′to̅o̅; Eng. prō′prē ō′ mō′to̅o̅),USA pronunciation [Latin.]
- Foreign Termsby one's own volition;
on one's own initiative.
'proprio motu' also found in these entries (note: many are not synonyms or translations):