hamper

1 - Cancer diagnosis and treatment decisions are often hampered by a lack of knowledge of the biological processes occurring within the tumor.

2 - Accepted economic and social practice hampers the ability of women and girls to gain an education.

3 - The earthquake caused a complete failure of communications in the country, which greatly hampered rescue operations.

4 - Our understanding of the development of behavior has long been hampered by the tendency to distinguish sharply between "innate" and "acquired" behavior.

5 - India is facing an acute energy scarcity which is hampering its industrial growth and economic progress.