1) American jazz ensemble 2) British comics magazine 3) Hardly definitive 4) Just barely legit 5) Marginal 6) Minimal 1) Border 2) Delimitation 3) Doubtful 4) Edge 5) Iffy 6) Mete 7) Minimal 8) Minimum 
[video game] Borderline is a 1981 arcade game by Sega. The player controls a Jeep and has to destroy enemy refineries. There are four stages with different gameplay. The first stage plays very much like a vertical shooter. In the second stage, the player maneuvers his Jeep through underbrush, and enemies can only follow on its path, a conce...
(bor´dәr-līn) of a phenomenon, straddling the dividing line between two categories. a term used in psychiatry for personality disorders that were formerly viewed as being on the border between psychosis and neurosis. See borderline personality disorder.
[adj] - of questionable or minimal quality
In cancer, means a tumour that has cells that are only just malignant. The cells look more like normal cells than in a more malignant cancer. Borderline tumours are less likely to grow quickly or spread to other parts of the body.
marginal adjective of questionable or minimal quality; `borderline grades`; `madj.allarginal writing ability`