|1.||[ adjective ] marked by a tendency to spread especially into healthy tissue|
"invasive cancer cells"
|Related terms:||confined aggressive aggressive|
|2.||[ adjective ] (medicine) relating to a technique in which the body is entered by puncture or incision|
|Related terms:||noninvasive medicine|
|3.||[ adjective ] involving invasion or aggressive attack|
|4.||[ adjective ] gradually intrusive without right or permission|
"we moved back from the encroaching tide" "invasive tourists" "trespassing hunters"