greenbroke

adjective2

1. •
   Newly tamed; not fully domesticated for all forms of working.

   • Just halfway decent greenbroke horses. Say six saddles. Double and stop and stand still to be saddled. — 1992
2. •
   Somewhat wild or inexperienced; not completely socialized or comfortable with an activity.

   • He writes: "To my daughter Caroline, a greenbroke five-year-old, who despite the occasional need of a heavy hand gives promise of an eventual good, if spirited performance.” — 1943