What does unpropitious mean?
Unpropitious is a formal adjective meaning unfavourable, inauspicious, or unlikely to lead to success. It is particularly appropriate when describing circumstances, timing, weather, beginnings, or other conditions that appear to promise poor results: an unpropitious start, for example, may involve delays, bad weather, or an event that damages prospects. The word often carries a slightly literary or traditional tone, suggesting the influence of fortune, fate, or an ill omen, although its literal meaning is broader than simple bad luck. “Inauspicious” is the most familiar synonym, while “ominous” can emphasize a threatening or foreboding quality. In formal writing, unpropitious is useful because it conveys both adversity and a suggestion that events are working against success. It is less suitable for informal, conversational language, where simpler expressions are usually preferable.
adjectiveNot favourable, auspicious, or conducive to success. Often used of circumstances, timing, beginnings, or other developments that seem to promise poor results.
- Not favourable, auspicious, or conducive to success.
"The expedition was delayed by a series of unpropitious events."
"Rain and strong winds made the coastal launch an unpropitious start."
"Her early research was hindered by unpropitious circumstances, but she continued the work."
"The negotiations began under unpropitious conditions, with both sides openly distrustful."
“Unpropitious” is the classically dressed alternative to “inauspicious”—especially suited to omens, ominous beginnings, and developments that promise very little good.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does unpropitious come from?
Unpropitious was formed in English by combining the negative prefix un- with propitious, reversing the favourable or auspicious sense of that adjective. Propitious comes from Latin propitius, meaning favourable or gracious, which is generally related to pro-, meaning in favour, and petere, meaning to seek. The same Latin root underlies words such as petition and perpetuity.
Related word forms
How unpropitious is actually used
A formal and literary word, used especially for unfavourable timing, circumstances, beginnings, or prospects. “Inauspicious” is more common in everyday English.
Easily confused with unpropitious
Unpropitious means unfavourable or inauspicious, whereas unprepossessing means lacking attractive or appealing qualities.