- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
| inauspicious(adjective, unsuitable, promising, ominous, unpromising) | |
| ominous(adjective, good, unsuitable, foreboding, menacing) | |
| hopeless(adjective, good, pessimistic, promising, futile) | |
| unlucky(adjective, unsuitable) | |
| unhappy(adjective, unsuitable) | |
| ill | |
| unfortunate(adjective, good, unsuitable, lucky) | |
| inopportune(adjective, appropriate, suitable, unsuitable) | |
| adverse(adjective, antagonistic, unfavorable) | |
| catastrophic | |
| foreboding | |
| baleful(adjective, menacing) | |
| calamitous | |
| downbeat | |
| threatening | |
| unpromising(adjective, unsuitable) | |
| pessimistic(adjective, feelings, emotions) | |
| disastrous | |
| menacing | |
| sinister |
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| APA | Smart Define. (2016). auspicious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/auspicious/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "auspicious thesaurus" https://smartdefine.org/auspicious/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, auspicious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/auspicious/thesaurus/antonyms>. |
| MLA | Smart Define. "auspicious thesaurus" 23 March 2016. Web. 21 September 2026. <https://smartdefine.org/auspicious/thesaurus/antonyms> |