Verbseoul.
ㅂ irregular (adj)

의심스럽다 conjugation (uisimseureopda, to be doubtful, suspicious)

To say to be doubtful, suspicious politely in the present tense, use 의심스러워요 (ui-sheem-seu-ruh-wuh-yoh) · uisimseureowoyo. Below is the full conjugation of 의심스럽다 across the three tenses and three everyday speech levels.

Grammar note (ㅂ irregular (adj)): ㅂ-irregular adjectives follow the same rule as ㅂ-irregular verbs: the ㅂ changes to 우 when a vowel suffix follows. 덥다 (to be hot) becomes 더워요; 쉽다 (to be easy) becomes 쉬워요. The ㅂ is kept intact before consonant suffixes: 덥고, 쉽지. See all ㅂ-irregular verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
의심스러워
ui-sheem-seu-ruh-wuh
uisimseureowo
의심스러워요
ui-sheem-seu-ruh-wuh-yoh
uisimseureowoyo
의심스럽습니다
ui-sheem-seu-ruhp-sseum-nee-dah
uisimseureopsseumnida
Past
의심스러웠어
ui-sheem-seu-ruh-wuh-ssuh
uisimseureowosseo
의심스러웠어요
ui-sheem-seu-ruh-wuh-ssuh-yoh
uisimseureowosseoyo
의심스러웠습니다
ui-sheem-seu-ruh-wuh-sseum-nee-dah
uisimseureowosseumnida
Future
의심스러울 거야
ui-sheem-seu-ruh-ool guh-yah
uisimseureoul geoya
의심스러울 거예요
ui-sheem-seu-ruh-ool guh-yae-yoh
uisimseureoul geoyeyo
의심스러울 겁니다
ui-sheem-seu-ruh-ool guhm-nee-dah
uisimseureoul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
의심스러우세요
ui-sheem-seu-ruh-oo-sae-yoh
uisimseureouseyo
Suggestion / Let's Polite (요)
의심스러워요
ui-sheem-seu-ruh-wuh-yoh
uisimseureowoyo
Question Polite (요)
의심스러워요?
ui-sheem-seu-ruh-wuh-yoh-?
uisimseureowoyo?
Connective "and" — (고)
의심스럽고
ui-sheem-seu-ruhp-goh
uisimseureopgo
Conditional "if" — (면)
의심스러우면
ui-sheem-seu-ruh-oo-myuhn
uisimseureoumyeon
Progressive (고 있어요)
의심스럽고 있어요
ui-sheem-seu-ruhp-goh ee-ssuh-yoh
uisimseureopgo isseoyo
Want to (고 싶어요)
의심스럽고 싶어요
ui-sheem-seu-ruhp-goh shee-puh-yoh
uisimseureopgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
의심스러울 수 있어요
ui-sheem-seu-ruh-ool soo ee-ssuh-yoh
uisimseureoul su isseoyo
Because / So (아/어서)
의심스러워서
ui-sheem-seu-ruh-wuh-suh
uisimseureowoseo
Noun form — (기)
의심스럽기
ui-sheem-seu-ruhp-gee
uisimseureopgi
Noun form — (음)
의심스러움
ui-sheem-seu-ruh-oom
uisimseureoum