Definify.com

Webster 1828 Edition

ppr.

Urging with irresistible or powerful force; compelling; forcing; repressing; confining; holding by force; pressing; binding.

constraining

constraining ‎(plural constrainings)

The act by which something is constrained.
- 1996, Mike Michael, Constructing Identities: The Social, the Nonhuman and Change
  In contrast to the (to be sure, productive) shapings and constrainings of human identities in the sociotechnical network, here we have an expansion of identity.