Unpromising (adjective)

Not offering prospects of success or advantage.

Origin:

Late 18th century; formed from the prefix un- and the verb "promise".

Examples:

1. The weather was unpromising with dark clouds gathering.
2. The unpromising start to the project made it unlikely to succeed.
3. The company's financial situation was unpromising.
4. The unpromising candidate lacked the necessary experience.
5. The unpromising location was unlikely to attract many customers.