| OMI | the 15th letter of the Greek alphabet |
|---|---|
| OMI | presaging ill-fortune |
| OMI | threatening or foreshadowing evil or tragic developments |
| OMI | in an ominous manner |
| OMI | a mistake resulting from neglect |
| OMI | neglecting to do something |
| OMI | any process whereby sounds are left out of spoken words or phrases |
| OMI | something that has been omitted |
| OMI | leave undone or leave out |
| OMI | prevent from being included or considered or accepted |