Synonyms: invasive, trespassing, encroaching
Definition: gradually intrusive without right or permission
Usage: we moved back from the encroaching tide; invasive tourists; trespassing hunters
Similar words: intrusive
Definition: tending to intrude (especially upon privacy)
Usage: she felt her presence there was intrusive
Synonyms: invasive
Definition: marked by a tendency to spread especially into healthy tissue
Usage: invasive cancer cells
Similar words: fast-growing, strong-growing, aggressive
Definition: tending to spread quickly
Usage: an aggressive tumor
Synonyms: incursive, invading, invasive
Definition: involving invasion or aggressive attack
Usage: invasive war
Similar words: offensive
Definition: for the purpose of attack rather than defense
Usage: offensive weapons