Invasive
/ɪnˈveɪsɪv/
Definitions
2 meaningsTending to intrude on a body, a part of the body, or a system, so as to cause damage or be disruptive.
/ɪnˈveɪsɪv/
Tending to spread aggressively into other areas.
The invasive species of seaweed threatened the local ecosystem.
💡 Simply: Imagine a plant that takes over your whole garden or a medical test that involves going inside your body. 'Invasive' is like that – it's something that spreads and might be harmful or unwanted.
👶 For kids: Something that spreads where it doesn't belong and can be a problem.
More Examples
The doctor decided against an invasive surgery because of the risks.
The government's use of invasive technologies sparked a debate about privacy.
How It's Used
"The kudzu vine is an invasive species in the southeastern United States."
"The doctor performed an invasive procedure to diagnose the illness."
"The government was criticized for its invasive surveillance programs."
Involving the introduction of instruments or other material into the body.
/ɪnˈveɪsɪv/
Involving the introduction of instruments into the body.
The doctor recommended a less invasive procedure, if possible.
💡 Simply: When a medical procedure requires going inside your body with tools, that's an invasive procedure.
👶 For kids: When a doctor has to use tools or go inside your body to help you.
More Examples
Invasive cardiology studies are used to diagnose heart conditions.
Patients often prefer non-invasive treatments when available.
How It's Used
"A biopsy is an invasive diagnostic procedure."
Synonyms
Idioms & expressions
invasive species
A plant, animal, or other organism that is not native to an ecosystem and causes harm.
"The zebra mussel is considered an invasive species in the Great Lakes."
From Late Latin *īnvāsīvus* ("entering by force"), from *īnvādere* ("to go into, invade"), from *in-* ("in") + *vādere* ("to go").
The term 'invasive' in a biological context gained prominence in the late 20th century due to increasing concerns about ecological damage.
Memory tip
Think of an invading army that spreads across land, disrupting everything.