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Definition 2024

잠들다

잠들다

Korean

Verb

잠들다 • ‎(jamdeulda) ‎(infinitive 잠들어, sequential 잠드니)

to go to sleep

Antonyms

깨어나다 (kkaeeonada, “to wake up”)

Related terms

자다 (jada, “to sleep”)
잠 (jam, “sleep”)
쉬다 (swida, “to rest”)
휴식하다 (休息—, hyusikhada, “to rest”)
피곤하다 (疲困—, pigonhada, “to be tired”)

Conjugation

Selected forms of the verb 잠들다 (jamdeulda)

Stems
Stem 1	잠들 (jamdeul)
Stem 2	잠들어 (jamdeureo)
Stem 3	잠드 (jamdeu)
Conjugation type	Consonant-stem, ㄹ(l)-irregular

Sentence-final forms
	Formal non polite (해라체)	Informal non polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	잠든다 jamdeunda past: 잠들었다 jamdeureotda	잠들어 jamdeureo past: 잠들었어 jamdeureosseo	잠들어요 jamdeureoyo past: 잠들었어요 jamdeureosseoyo	잠듭니다 jamdeumnida past: 잠들었습니다 jamdeureotseumnida
Interrogative	잠드느냐 jamdeuneunya past: 잠들었느냐 jamdeureonneunya	잠들어 jamdeureo past: 잠들었어 jamdeureosseo	잠들어요 jamdeureoyo past: 잠들었어요 jamdeureosseoyo	잠듭니까 jamdeumnikka past: 잠들었습니까 jamdeureotseumnikka
hortative	잠들자 jamdeulja	잠들어 jamdeureo	잠들어요 jamdeureoyo	잠듭시다 jamdeupsida
imperative	잠들어라 jamdeureora	잠들어 jamdeureo	잠들어요 jamdeureoyo	잠듭시오 jamdeupsio
Assertive	잠들겠다 jamdeulgetda	잠들겠어 jamdeulgesseo	잠들겠어요 jamdeulgesseoyo	잠들겠습니다 jamdeulgetseumnida
Connective forms
Cause/Reason	잠들어 jamdeureo	잠들어서 jamdeureoseo	잠드니 jamdeuni	잠드니까 jamdeunikka
Contrast	잠들지만 jamdeuljiman	잠드는데 jamdeuneunde	잠들더니 jamdeuldeoni
Conjunction	잠들고 jamdeulgo
Condition	잠들면 jamdeulmyeon	잠들어야 jamdeureoya
Motive	잠들려고 jamdeullyeogo
Noun and determiner forms
Verbal nouns		잠듦 jamdeum	잠들기 jamdeulgi
Past-tense verbal nouns		잠들었음 jamdeureosseum	잠들었기 jamdeureotgi
Determiners	past	잠든 jamdeun
	present	잠드는 jamdeuneun
	future	잠들 jamdeul

Sentence-final forms with honorific
	Formal non polite (해라체)	Informal non polite (해체)	Informal polite (해요체)	Formal polite (하십시오체)
Indicative	잠드신다 jamdeusinda past: 잠드셨다 jamdeusyeotda	잠드셔 jamdeusyeo past: 잠드셨어 jamdeusyeosseo	잠드세요, 잠드셔요 jamdeuseyo, jamdeusyeoyo past: 잠드셨어요 jamdeusyeosseoyo	잠드십니다 jamdeusimnida past: 잠드셨습니다 jamdeusyeotseumnida
Interrogative	잠드시느냐 jamdeusineunya past: 잠드셨느냐 jamdeusyeonneunya	잠드셔 jamdeusyeo past: 잠드셨어 jamdeusyeosseo	잠드세요, 잠드셔요 jamdeuseyo, jamdeusyeoyo past: 잠드셨어요 jamdeusyeosseoyo	잠드십니까 jamdeusimnikka past: 잠드셨습니까 jamdeusyeotseumnikka
imperative	잠드시라 jamdeusira	잠드셔 jamdeusyeo	잠드세요 jamdeuseyo	잠드십시오 jamdeusipsio
Assertive	잠드시겠다 jamdeusigetda	잠드시겠어 jamdeusigesseo	잠드시겠어요 jamdeusigesseoyo	잠드시겠습니다 jamdeusigetseumnida
Connective honforms with honorific
Cause/Reason	잠드셔 jamdeusyeo	잠드셔서 jamdeusyeoseo	잠드시니 jamdeusini	잠드시니까 jamdeusinikka
Contrast	잠드시지만 jamdeusijiman	잠드시는데 jamdeusineunde	잠드시더니 jamdeusideoni
Conjunction	잠드시고 jamdeusigo
Condition	잠드시면 jamdeusimyeon	잠드셔야 jamdeusyeoya
Motive	잠드시려고 jamdeusiryeogo
Noun and determiner honforms with honorific
Verbal nouns		잠드심 jamdeusim	잠드시기 jamdeusigi
Past-tense verbal nouns		잠드셨음 jamdeusyeosseum	잠드셨기 jamdeusyeotgi
Determiners	past	잠드신 jamdeusin
	present	잠드시는 jamdeusineun
	future	잠드실 jamdeusil