| Word | Definitions | Synonyms |
|---|---|---|
| marginal | (adjective) of questionable or minimal quality | Synonyms: borderline |
| (adjective) just barely adequate or within a lower limit | Synonyms: bare | |
| (adjective) at or constituting a border or edge | Synonyms: fringy | |
| (adjective) producing at a rate that barely covers production costs | - |