| Word | Definitions | Synonyms |
|---|---|---|
| unusual | (adjective) not usual or common or ordinary | - |
| (adjective) being definitely out of the ordinary and unexpected; slightly odd or even a bit weird | Synonyms: strange | |
| (adjective) not commonly encountered | - | |
| usual | (adjective) occurring or encountered or experienced or observed frequently or in accordance with regular practice or procedure | - |
| (adjective) commonly encountered | Synonyms: common |