unilateralist
1. [ adjective ] tracing descent from either the paternal or the maternal line only
Synonyms: unilateral
Related terms: lineal
2. [ noun ] (politics) an advocate of unilateralism
Related terms: advocate
Similar spelling:   unilateral
  unilateralism
  unilaterally
  unalterability
  unliterary
  unalterably
  unalterable