From plenipotentiary + -ship. <span class="searchmatch">plenipotentiaryship</span> (countable and uncountable, plural <span class="searchmatch">plenipotentiaryships</span>) The role or status of a plenipotentiary....
<span class="searchmatch">plenipotentiaryships</span> plural of <span class="searchmatch">plenipotentiaryship</span>...