- adventive
- ad•ven•tive[[t]ædˈvɛn tɪv[/t]] adj.1) bot zool. not native and usu. not yet well established, as exotic plants or animals2) bot zool. an adventive plant or animal•Etymology: 1605–1615 ad•ven′tive•ly, adv.
From formal English to slang. 2014.