unfreiwillig

From LSJ

ἢ δεῖ σιωπᾶν ἢ λέγειν τὰ καίρια → you should either keep silence or make timely remarks (Menander)

Source

German > Latin

unfreiwillig, invītus et coactus (ungern und gezwungen). – non voluntarius (nicht aus freiem Willen hervorgegangen, z.B. mors). – Adv. non sponte (nicht aus freien Stücken). – sine voluntate (ohne daß man es will, z.B. flere).