delusional
🇺🇸
/dɪˈluːʒənl/
🇬🇧
/dɪˈluːʒənl/
Having false beliefs or ideas that are not based on reality.
His delusional behavior made everyone question his sanity.
그의 망상적인 행동은 모두가 그의 정신 건강에 의문을 제기하게 했다.