borderline
/ˈbɔːrdərlaɪn/
adjective
- On the edge of a particular condition or quality; not clearly one thing or another.
- He made a borderline joke that made some people uncomfortable.
- The patient's symptoms were borderline, making diagnosis difficult.
- Her test score was borderline, so she had to retake the exam.
Antonyms
noun
- A dividing line or boundary between two states or conditions.
- The river formed the borderline between the two farms.
- The borderline between genius and madness can be thin.
- They lived right on the borderline between two time zones.