1
Harmful species
Spreading beyond a native range and disrupting an ecosystem.
Example
An invasive vine displaced several native plants.
invasive
/ɪnˈveɪsɪv/ · in-VAY-sivadjective
Spreading intrusively or entering in a harmful, disruptive way.
Use invasive when the context supports this precise sense: spreading intrusively or entering in a harmful, disruptive way.
What invasive Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Intrusive procedure
Entering the body with instruments or incisions.
Example
The trial compared invasive surgery with an external treatment.
3
Intrusive scrutiny
Unduly encroaching on privacy or autonomy.
Example
Residents considered the monitoring system invasive.
Use invasive Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
An invasive vine displaced several native plants.
The trial compared invasive surgery with an external treatment.
Residents considered the monitoring system invasive.
Precision Matters
Invasive overlaps with several common words, but each carries a different emphasis.
invasive
vs.Means spreading intrusively or entering in a harmful, disruptive way.
indigenous
Means originating or occurring naturally in a particular place; native.
invasive
vs.Means spreading intrusively or entering in a harmful, disruptive way.
pervasive
Means spreading widely throughout an area or group.
invasive
vs.Means spreading intrusively or entering in a harmful, disruptive way.
intrusive
Means entering or interfering without welcome.
invasive
vs.Means spreading intrusively or entering in a harmful, disruptive way.
benevolent
Means well-meaning, kindly, and inclined to help others.
Test invasive in Context
The organism spreads outside its native range and causes ecological harm.
1
The imported beetle became ___ after it spread rapidly and displaced insects essential to the local ecosystem.