Borderline
Definition 1 of 3
Pro Tip 1/3
Almost Sufficient
Use 'borderline' to describe something barely meeting a standard or requirement. His effort in the project was borderline acceptable.
Pro Tip 2/3
Emphasize Uncertainty
Convey that a situation or quality is uncertain or may change with 'borderline'. Her attendance is borderline; she might fail due to absences.
Pro Tip 3/3
Indecisive Descriptor
'Borderline' expresses indecision between two options or categories. The movie is borderline horror or thriller, hard to categorize.