0 (of an error) caused by a mistake a player has made rather than as the result of their opponent's skilful play
1 done as a result of your own decision, rather than being forced by someone else:
an unforced agreement between individuals about what to do
Y-intercepts were either assumed to be zero or estimated from the data (' forced ' and ' unforced ', respectively).
The normalized mean velocity profiles of the unforced jet given in figure 7 are in reasonable agreement with several experimental studies shown.
The radial velocity traces in figure 3 show the random pattern of events in the unforced jet development.
He had an exceptional unforced dignity and distinction.
One value of the televising of our proceedings has been the unforced provision of the information that among us there is considerable practical experience and marked professionalism.
You can't help wishing, though, that she had stuck to more earthbound topics and unforced rhythms that made her past efforts such pleasures.
Bellucci made more than 40 unforced errors in this three-hour match.
Win or loss, he generally finishes his matches with a high amount of winners, but also many unforced errors.