1. obstacles
He did the work in spite of many obstacles.
We pushed ahead despite the obstacles.
He refused to quit despite many obstacles.
The obstacles to our progress have been removed at last.
High tariffs are the chief obstacles to free trade.
to overcome obstacles
The pioneers have overcome a series of obstacles.
My being male and white also removed huge obstacles that a majority of Americans then faced.
He surmounted the obstacles with great effort.
He went forward in the face of many obstacles.
Some obstacles appeared.
In other words, physical obstacles, perhaps unknown to the original surveyor and engineer, requiring alterations to be made in order to surmount them.
Rugby players have to overcome the obstacles which are put in their path
there are several obstacles standing in its way
The major obstacles to achieving that goal are money and time.