hinder
verb
°To make difficult to accomplish; to frustrate, act as obstacle.
°To keep back; to delay or impede.
adjective
°Of or belonging to that part or end which is in the rear or hind, or which follows.
noun
°(slang euphemism) The buttocks.
synonyms: bar, block, delay, hamper more» , impede, obstruct, restrain, stop, frustrate, prevent, thwart, back, hind, rear, posterior