encroaching vs trespassing

encroaching and trespassing both are adjectives.

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

As adjectives, encroaching and trespassing are synonyms defined as:

encroaching and trespassing: gradually intrusive without right or permission

Other synonyms of encroaching include invasive.

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