invasive
UK[ɪnˈveɪsɪv]US[ɪnˈveɪsɪv]
adj
(of medical procedures) involving the introduction of instruments or other objects into the body or a body cavity.
adj
(especially of plants or diseases) tending to spread prolifically and undesirably or harmfully.
adj
tending to intrude on a person's thoughts or privacy.
Morpheme Breakdown
in
vas
ive
in
into
vas
go
ive
adjective suffix
Etymology
The word 'invasive' is built upon the Latin verb invādere, meaning "to go into, enter upon, attack". This verb itself is a compound of the prefix in- ("into") and the verb vādere ("to go, walk, proceed"). The core concept of forceful or unwelcome entry is preserved from its Latin military origins, where it described an attacking army. Over time, the meaning broadened in medical and biological contexts to describe procedures or organisms that "go into" a body or ecosystem. The adjective-forming suffix -ive was added, finalizing its modern sense as "having the tendency to go in or spread aggressively".
Analysis
Structure: in (into) + vas (go) + ive (adjective suffix)
- in: Latin prefix meaning "into, in, on, upon".
- vas: A direct substring from the Latin root vadere/vās- meaning "to go, to advance".
- ive: A suffix of Latin origin (-ivus) used to form adjectives meaning "tending to, having the nature of".
Examples
The surgeon recommended a less invasive procedure to reduce recovery time.
Invasive species like the zebra mussel can disrupt entire aquatic ecosystems.
She found the constant questions from journalists to be invasive and disrespectful.