[사전] 기필코

LINK : https://search.naver.com/search.naver?sm=tab_hty.top&where=nexearch&query=%EA%B8%B0%ED%95%84%EC%BD%94&oquery=%EB%B0%94%EC%9D%B4%EB%9F%AC%EC%8A%A4+%EC%A2%85%EB%A5%98&tqi=UD%2BMUwp0Jywss

[부사] 같은 말 : 반드시(틀림없이 꼭).