obstinate
/ˈɑbstənət/
adjective
- Stubbornly refusing to change one's opinion or course of action, despite reason or persuasion.
- The obstinate child refused to apologize even when he knew he was wrong.
- Despite the doctor's advice, he remained obstinate about his unhealthy diet.
- Her obstinate determination to finish the project on time impressed her boss.
- Difficult to control, remove, or deal with; persistent.
- The gardener struggled to remove the obstinate weeds from the flower bed.
- The country faced an obstinate drought that lasted for three years.
- An obstinate stain on the carpet refused to come out with any cleaner.