not requiring an external influence or control to function; automatic
WordReference Random House Unabridged Dictionary of American English © 2026
self-act•ing
(self′ak′ting),USA pronunciation adj.
self′-ac′tion, n.
- acting by itself;
automatic.
- 1670–80
Collins Concise English Dictionary © HarperCollins Publishers::
'self-acting' also found in these entries (note: many are not synonyms or translations):