| Word | Definitions | Synonyms |
|---|---|---|
| ominous | (adjective) threatening or foreshadowing evil or tragic developments | Synonyms: baleful, forbidding, menacing, minacious, minatory, sinister, threatening |
| (adjective) presaging ill fortune | Synonyms: ill, inauspicious | |
| omissible | (adjective) capable of being left out | - |
| omissive | (adjective) characterized by omissions | - |