Invazivnjí
Invazivnjí appears to be a nonstandard spelling of invazivní, the Czech adjective meaning invasive. In standard Czech, the form invazivní is used to describe something that invades or has the capacity to invade; invazivnost is the noun for invasiveness. The term is not widely used in a fixed form, and invazivnjí may arise from typographical errors or dialectal variation.
In ecology and biology, invasive (invazivní) species are non-native organisms that spread beyond their introduction point
In medicine and research, invasiveness distinguishes procedures, tests, or devices that require entering sterile body compartments
Etymologyally, invazivní derives from Latin invasio, with the Czech morphologies reflecting standard grammatical patterns; invazivnjí, as