Losing one's job; becoming unemployed (e.g., through dismissal or company bankruptcy).
経営悪化で多くの社員が失職した。
Many employees lost their jobs due to the company's worsening finances.
病気で長期間働けず、ついに失職した。
He was unable to work for a long time because of illness and eventually lost his job.
会社の倒産で失職した後、再就職活動を始めた。
After losing his job when the company went bankrupt, he started looking for a new position.