1. （使）强行闯入；（使）搅扰；（使）打扰
When something obtrudes or when you obtrude it, it becomes noticeable in an undesirable way.
1. thrust oneself in as if by force
e.g. The colors don't intrude on the viewer
Synonym: intrude
2. push to thrust outward
Synonym: push outthrust out