Meaning of abstentionism

ab•sten•tion•ism

Pronunciation: (ab-sten'shu-niz"um), [key]
— n.
  1. the refusal of a government to participate in international relations or alliances that it regards as detrimental to its interests.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.