| concrete barrier | 9.48 | They set up concrete barriers. | ||
| legal barrier | 5.13 | -Removing legal barriers to public rallies. | ||
| cultural barrier | 4.15 | There are cultural barriers, too. | ||
| metal barrier | 4.15 | The Genoa fans ran behind a metal barrier. | ||
| racial barrier | 3.88 | We see it here crossing all racial barriers. | ||
| physical barrier | 3.42 | Physical barriers prevent some from working. | ||
| major barrier | 3.29 | Health care costs are a major barrier. | ||
| regulatory barrier | 3.23 | Moreover, regulatory barriers have eased. | ||
| protective barrier | 3.03 | Skin also forms a protective barrier. | ||
| psychological barrier | 2.90 | It seemed an impenetrable psychological barrier. | ||
| new barrier | 2.76 | Drivers have applauded the new barrier. | ||
| biggest barrier | 2.30 | The biggest barrier is speed. | ||
| natural barrier | 1.91 | Residents dismissed the natural barriers. | ||
| significant barrier | 1.84 | We are a potential supplier but we face two significant barriers. | ||
| bureaucratic barrier | 1.65 | Bureaucratic barriers include one involving the import of building materials. | ||
| last barrier | 1.38 | The last barrier between rooms has finally come down. | ||
| insurmountable barrier | 1.32 | Was the title an insurmountable barrier? | ||
| main barrier | 1.32 | He said trust was the main barrier. | ||
| formidable barrier | 1.25 | The mountains were a formidable barrier. | ||
| high barrier | 1.25 | A. Some segments have high barriers. |