noun
scheme to sow discord; alienation tactic
Refers to a deliberate plan or strategy to create division, often used in political, diplomatic, or organizational contexts.
敵国同士の間に離間策を仕掛ける。
They set up a scheme to sow discord between the enemy nations.
その政治家は離間策によって党内を分裂させようとした。
The politician tried to split the party by using alienation tactics.
策略 is a general term for a stratagem or trick; 離間策 specifies a scheme aimed at creating discord.
Compound of 離間 (estrangement, alienation) and 策 (plan, scheme). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese compounding pattern.