1 (v + adv) of muscle or body part INTRANSITIVEhis back seized up on himd'éirigh a dhroim stromptha2 (v + adv) stop working properly INTRANSITIVEthe markets seized upchlis ar na margaíthe engine seized uploic an t-inneall, stalc an t-inneall → féach seize