1. (adjective) at or constituting a border or edge

• fringy

2. (adjective) of questionable or minimal quality

• borderline

3. (adjective) just barely adequate or within a lower limit

• bare

1. (adjective) at or constituting a border or edge

• peripheral

2. (adjective) of questionable or minimal quality

• minimal
• minimum

3. (adjective) just barely adequate or within a lower limit

• narrow

4. (adjective) producing at a rate that barely covers production costs

• unprofitable

1. (adjective) at or constituting a border or edge

• border
• margin
• perimeter
• fringe
• fringe
• outer boundary
• periphery
• marginality