Definition: come between so as to be hindrance or obstacle
Usage: Your talking interferes with my work!
Definition: be a hindrance or obstacle to
Usage: She is impeding the progress of our project
Definition: get involved, so as to alter or hinder an action, or through force or threat of force
Usage: Why did the U.S. not intervene earlier in WW II?
Similar words: interact
Definition: act together or towards others or with others
Usage: He should interact more with his colleagues