The company accused the competitor of trying to interlope in their business dealings.
interlope with
Frequency:
60
%
She felt that her privacy was being interloped with by her nosy neighbors.
interlope upon
Frequency:
50
%
The new manager warned the employees not to interlope upon his authority.
Idiomatic Expressions for interlope
Phrase: interloper in the game
Meaning: someone who interferes in a situation where they are not welcome or needed
Usage: The company viewed the competitor's sudden entry into the market as an interloper in the game.