| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| omegoid | adjective | Having the form of the Greek capital letter Omega (/). |
| omening | present participle & vb. noun | of Omen |
| omental | adjective | Of or pertaining to an omentum or the omenta. |
| omentum | noun | A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon. |
| ominate | verb t. & i. | To presage; to foreshow; to foretoken. |
| ominous | adjective | Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; — formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious; as, an ominous dread. |
| omitted | imp. & past participle | of Omit |
| omitter | noun | One who omits. |
| ommatea | plural | of Ommateum |
| omnibus | noun | A long four-wheeled carriage, having seats for many people; especially, one with seats running lengthwise, used in conveying passengers short distances., A sheet-iron cover for articles in a leer or annealing arch, to protect them from drafts. |
| omniety | noun | That which is all-pervading or all-comprehensive; hence, the Deity. |
| omnific | adjective | All-creating. |