WordReference Random House Unabridged Dictionary of American English © 2026
co•act
(kō akt′),USA pronunciation v.t., v.i.
co•ac′tor, n.
- to do or act together.
- 1375–1425 for earlier adjective, adjectival senses "compelled or forced (to do something)''; 1600–10 for current (intrans.) sense; late Middle English; see co-, act
'coact' also found in these entries (note: many are not synonyms or translations):