- interfere - come between so as to be hindrance or obstacle; "Your talking interferes with my work!"
--1 is one way to impede, hinder
Sample sentences:Derived form: noun interference2
Something is ----ing PP
Somebody ----s PP
- 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?"
--2 is one way to interact
Sample sentences:Derived form: noun interference1
Somebody ----s
Somebody ----s PP