| Word | Definitions | Synonyms |
|---|---|---|
| inopportune | (adjective) not opportune | - |
| opportune | (adjective) suitable or at a time that is suitable or advantageous especially for a particular purpose | - |
| tuneful | (adjective) having a musical sound; especially a pleasing tune | Synonyms: melodious |
| tuneless | (adjective) not having a musical sound or pleasing tune | Synonyms: unmelodious, untuneful |
| untuneful | (adjective) not having a musical sound or pleasing tune | Synonyms: tuneless, unmelodious |