interference

英[ɪntə'fɪər(ə)ns] 美[,ɪntɚ'fɪrəns]

1. a policy of intervening in the affairs of other countries

2. the act of hindering or obstructing or impeding

3. electrical or acoustic activity that can disturb communication

4. (American football) the act of obstructing someone's path with your body;

"he threw a rolling block into the line backer"

5. any obstruction that impedes or is burdensome