Definition of unpinion in US English:

unpinion

verb

  • with object To unbind or release (the arms or legs of a restrained person); to unshackle or free (a person) in this way. Also (and in earliest use) figurative: to free from (especially mental) limitations or restrictions.

Origin

Late 16th century (in an earlier sense). In sense 1 from un- + pinion.

Pronunciation

unpinion

/(ˌ)ʌnˈpɪnjən/