unrewarding
Definitions
Not providing satisfaction, profit, or a sense of accomplishment.
Lacking in benefits or worthwhile results.
Examples
He found his repetitive desk job to be completely unrewarding and decided to look for a new career path.
Spending hours trying to fix the broken software proved to be an unrewarding task when the system crashed again.
Synonyms
fruitless unprofitable thankless futile unsatisfying barren pointless
Antonyms
rewarding profitable satisfying fruitful beneficial gratifying productive