interfere -- (come between so as to be hindrance or obstacle; "Your talking interferes with my work!")
intervene, step in, interfere, interpose -- (get involved, so as to alter or hinder an action, or through force or threat of force; "Why did the U.S. not intervene earlier in WW II?")
Overview of adj interfering
The adj interfering has 1 sense
interfering, meddlesome, meddling, officious, busy, busybodied -- (intrusive in a meddling or offensive manner; "an interfering old woman"; "bustling about self-importantly making an officious nuisance of himself"; "busy about other people's business")