invasive.
Of or pertaining to invasion; offensive.
Meaning & usage
Of or pertaining to invasion; offensive.
That invades a foreign country using military force; also, militarily aggressive.
Intrusive on one's privacy, rights, sphere of activity, etc.
Originating externally.
Of an organism: that grows (especially uncontrollably) in environments which do not harbour natural enemies, often to the detriment of native species or of food or garden flora and fauna.
an invasive species
Of a procedure: involving the entry of an instrument into part of the body.
Of a carcinoma or other abnormal growth: that invades healthy tissue, especially rapidly.
Where this word comes from
PIE word *h₁én The adjective is derived from Middle English invasif (“of a weapon: offensive”), from Middle French invasif, Old French invasif (“invasive”) (modern French invasif), from Medieval Latin invāsīvus, from Latin invāsus (“entered; invaded”) + -īvus (suffix forming adjectives). Invāsus is the perfect passive participle of invādō (“to enter; to invade”), from in- (prefix meaning ‘in, inside’) + vādō (“to go; to rush; to walk”) (ultimately from Proto-Indo-European *weh₂dʰ- (“to go, proceed; to pass, traverse”)). The noun is derived from the adjective.
An invasive organism, such as an animal or plant.
Where this word comes from
PIE word *h₁én The adjective is derived from Middle English invasif (“of a weapon: offensive”), from Middle French invasif, Old French invasif (“invasive”) (modern French invasif), from Medieval Latin invāsīvus, from Latin invāsus (“entered; invaded”) + -īvus (suffix forming adjectives). Invāsus is the perfect passive participle of invādō (“to enter; to invade”), from in- (prefix meaning ‘in, inside’) + vādō (“to go; to rush; to walk”) (ultimately from Proto-Indo-European *weh₂dʰ- (“to go, proceed; to pass, traverse”)). The noun is derived from the adjective.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.