Verbseoul.
ㄹ stem

시들다 conjugation (sideulda, to wither, to wilt, to droop)

To say to wither, to wilt, to droop politely in the present tense, use 시들어요 (shee-deu-ruh-yoh) · sideureoyo. Below is the full conjugation of 시들다 across the three tenses and three everyday speech levels.

Grammar note (ㄹ stem): ㄹ-stem verbs end in ㄹ as the final consonant. They are conjugated regularly with vowel suffixes (살다 → 살아요), but the ㄹ drops before certain consonant suffixes — specifically before ㄴ, ㅂ, ㅅ, and before the formal ending 습니다: 살다 → 사는, 삽니다, 살지 (ㄹ kept before ㅈ). This is sometimes called a "ㄹ drop" or "ㄹ irregular." See all ㄹ-stem verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
시들어
shee-deu-ruh
sideureo
시들어요
shee-deu-ruh-yoh
sideureoyo
시듭니다
shee-deum-nee-dah
sideumnida
Past
시들었어
shee-deu-ruh-ssuh
sideureosseo
시들었어요
shee-deu-ruh-ssuh-yoh
sideureosseoyo
시들었습니다
shee-deu-ruh-sseum-nee-dah
sideureosseumnida
Future
시들 거야
shee-deul guh-yah
sideul geoya
시들 거예요
shee-deul guh-yae-yoh
sideul geoyeyo
시들 겁니다
shee-deul guhm-nee-dah
sideul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
시드세요
shee-deu-sae-yoh
sideuseyo
Suggestion / Let's Polite (요)
시들어요
shee-deu-ruh-yoh
sideureoyo
Question Polite (요)
시들어요?
shee-deu-ruh-yoh-?
sideureoyo?
Connective "and" — (고)
시들고
shee-deul-goh
sideulgo
Conditional "if" — (면)
시들면
shee-deul-myuhn
sideulmyeon
Progressive (고 있어요)
시들고 있어요
shee-deul-goh ee-ssuh-yoh
sideulgo isseoyo
Want to (고 싶어요)
시들고 싶어요
shee-deul-goh shee-puh-yoh
sideulgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
시들 수 있어요
shee-deul soo ee-ssuh-yoh
sideul su isseoyo
Because / So (아/어서)
시들어서
shee-deu-ruh-suh
sideureoseo
Noun form — (기)
시들기
shee-deul-gee
sideulgi
Noun form — (음)
시듦
shee-deum
sideum