adventive (comparative more adventive, superlative most adventive)
- (biology) Of a plant that is not native, but was introduced by humans to a place and has since become naturalized.
adventive (plural adventives)
- A non-native plant that has become naturalized.
1988 April 15, James Krohe Jr., “Where Has All the Flora Gone?”, in Chicago Reader:
- Such interlopers are known as exotics, adventives, or aliens, all terms that may be considered synonymous with "nasty.
- feminine of adventif