unpropitious
/ˌʌnprəˈpɪʃəs/
adjective
- Not likely to lead to success or a good outcome; unfavorable.
- She ignored the unpropitious weather forecast and went hiking anyway.
- The team decided to postpone the launch due to unpropitious market conditions.
- His unpropitious start at the new job made him worry about the future.
Antonyms