to make it difficult for something to develop or succeed:
His career has been hindered by injury.
policies that will hinder rather than help families
! Do not confusehinderandpreventeven though they have similar meanings.Hindermeans to make the progress or development of something slow down or stop.Preventmeans to make it impossible for someone to do something:His poor health prevented him from going to work (NOT His poor health hindered him from going to work).
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.