perforce Meaning, Definition & Usage

  1. adverb by necessity; by force of circumstance

WordNet

Per*force" adverb
Etymology
F. par (L. per) + force.
Definitions
  1. By force; of necessary; at any rate. Shak.
Per*force" transitive verb
Definitions
  1. To force; to compel. Obs.

Webster 1913