外がい交こう的てきボイコット

noun

diplomatic boycott

Refusal to participate in diplomatic events or negotiations, often as a political protest.

• その国くには人じん権けん問もん題だいを理り由ゆうに会かい議ぎへの外がい交こう的てきボイコットを発はっ表ぴょうした。

  That country announced a diplomatic boycott of the conference, citing human rights issues.