trespassing vs encroaching

trespassing and encroaching both are adjectives.

Word	Noun	Adjective	Verb	Adverb
trespassing	No	Yes	No	No
encroaching	No	Yes	No	No

As adjectives, trespassing and encroaching are synonyms defined as:

trespassing and encroaching: gradually intrusive without right or permission

Other synonyms of trespassing include invasive.

trespassing (adjective)	encroaching (adjective)
gradually intrusive without right or permission	gradually intrusive without right or permission