폐기하다

to discard

Principal parts

관형사형Modifier
폐기하는
아/어Infinitive
폐기하
-으니Since
폐기하니
합니다Formal
폐기합니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 폐기하요폐기합니다폐기하폐기한다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 폐기핬어요폐기핬습니다폐기핬어폐기핬다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 폐기하겠어요폐기하겠습니다폐기하겠어폐기하겠다
-을 것이다Going to 폐기할 거예요폐기할 것입니다폐기할 거야폐기할 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 폐기하요?폐기합니까?폐기하?폐기하니?
과거Past 폐기핬어요?폐기핬습니까?폐기핬어?폐기핬니?

Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 폐기하세요폐기하십시오폐기하폐기하라
청유Let's 폐기하요폐기합시다폐기하폐기하자

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 폐기하요안 폐기합니다안 폐기하안 폐기한다
-지 않다Not (long) 폐기하지 않아요폐기하지 않습니다폐기하지 않아폐기하지 않는다
못Cannot 못 폐기하요못 폐기합니다못 폐기하못 폐기한다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 폐기하세요폐기하십니다폐기하셔폐기하신다
과거Past 폐기하셨어요폐기하셨습니다폐기하셨어폐기하셨다

Modifying a noun

현재Present
폐기하는
과거Past
폐기한
미래Future
폐기할
회상Used to
폐기하던

Joining clauses

-고and
폐기하고
-게-ly / so that
폐기하게
-어서so / and then
폐기하서
-으니까since
폐기하니까
-으면if / when
폐기하면
-지만but
폐기하지만
-는데and / but (setting up)
폐기하는데
-어도even if
폐기하도

In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 폐기하고 있어요폐기하고 있습니다폐기하고 있어폐기하고 있다
과거Was doing 폐기하고 있었어요폐기하고 있었습니다폐기하고 있었어폐기하고 있었다

Sentence patterns

In real sentences

그럼 그 바늘은 어떻게 폐기할 것인가.

So how do you dispose of that?

그렇다고 중력 가설을 폐기했나요?

So did we discard gravity?

그래서 선뜻 폐기할 수 없었네

That's why I didn't have the heart to destroy them.

상사에게 관련 프로그램을 폐기하자고 요청했었지.

He appealed to his bosses to end the program.

Common questions

How do you conjugate 폐기하다 in Korean?

폐기하다 (to discard) is 폐기하요 in the polite 해요체, 폐기합니다 in formal 합니다체, 폐기하 in casual 반말 and 폐기한다 in the plain written style. The past is 폐기핬어요.

What is the past tense of 폐기하다?

폐기핬어요 in everyday polite speech, 폐기핬습니다 formally. It is built from the 아/어 form 폐기하 plus ㅆ, which is why an irregular stem shows its irregularity here.

Is 폐기하다 a regular verb?

Yes. Its stem never changes shape: 폐기합니다, 폐기하, 폐기하니 all keep 폐기하 intact. Only the ending moves.

What TOPIK level is 폐기하다?

It carries no TOPIK grade. That is a fact about the published word lists rather than about the word — it conjugates by exactly the same rules as everything else.

Dictionary form, meaning, sentence patterns, examples and audio from the 국립국어원 한국어기초사전, used under CC BY-SA 2.0 KR.

Conjugations are generated by this site's own engine and checked against the 9,380 forms the dictionary publishes on every build.