(a.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ominous. Retrieved September 24, 2026, from http://smartdefine.org/ominous/definitions/2038715 |
| Chicago | Webster's. 2011. "ominous" http://smartdefine.org/ominous/definitions/2038715 (accessed September 24, 2026). |
| Harvard | Webster's 2011, ominous, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/ominous/definitions/2038715>. |
| MLA | Webster's. "ominous" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/ominous/definitions/2038715> |