Synonyms of unprescribed

1 Syllable
free, wished
2 Syllables
willful, chosen, opted, freely, willed, witting, unpaid
3 Syllables
unasked, spontaneous, intended, elected, optional, designful, unbidden, volunteer, free-willed, gratuitous, unforced
4 Syllables
intentional, uncompelled, autonomous, volitional, honorary, voluntary, independent, unconstrained, discretional
5 Syllables
deliberate