invasive vs encroaching

invasive and encroaching both are adjectives.

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

As adjectives, invasive and encroaching are synonyms defined as:

invasive and encroaching: gradually intrusive without right or permission

Other synonyms of invasive include trespassing.

invasive (adjective)	encroaching (adjective)
marked by a tendency to spread especially into healthy tissue	gradually intrusive without right or permission
relating to a technique in which the body is entered by puncture or incision
gradually intrusive without right or permission
involving invasion or aggressive attack