What does "interloping" mean?

An act of intrusion or encroachment.

Interloping

Common synonyms include: encroachment, entrance, entrenchment, impingement, imposition, incursion.

noun, verb

noun, verb ·Rare ·Advanced level

Noun

1
An act of intrusion or encroachment.
"There was an interloping on my property."
2
Illegal Indian trade within the area over which the Hudson's Bay Company held a trade monopoly. historical

Verb

1
present participle and gerund of interlope form-of, gerund, participle, present

"There was an interloping on my property."

Noun form of the word interloper (see that etymology for more), + -ing.