Answer: intrusive

AnswerCrossword Clue
INTRUSIVEMeddlesome
intrusivethrusting in
intrusiveappearing without invitation or welcome
intrusive(of a speech sound) added without justification
intrusive(of a rock) having been forced between preexisting rocks or rock layers while molten or plastic
intrusiveinvolving inappropriate or unwelcome entry
intrusivetending to intrude / an intrusive rock