ob·sta·cle 
/ˈɑ:bstɪkəl/ noun
plural ob·sta·cles /ˈɑ:bstɪkəl/ noun [count] 1 : something that makes it difficult to do something
▪ He overcame the obstacles of poverty and neglect. ▪ They must overcome a number of obstacles before the restaurant can be opened. ▪ Lack of experience is a major obstacle for her opponent. ▪ an obstacle to learning/progress 2 : an object that you have to go around or over : something that blocks your path
▪ She swerved to avoid an obstacle in the road.
▪ He overcame the obstacles of poverty and neglect. ▪ They must overcome a number of obstacles before the restaurant can be opened. ▪ Lack of experience is a major obstacle for her opponent. ▪ an obstacle to learning/progress
▪ She swerved to avoid an obstacle in the road.
