Verbseoul.
ㅂ irregular (adj)
괴롭다goeropdapainful, distressing

To say painful, distressing politely in the present tense, use 괴로워요 (gwae-roh-wuh-yoh). Below is the full conjugation of 괴롭다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
괴로워
gwae-roh-wuh
괴로워요
gwae-roh-wuh-yoh
괴롭습니다
gwae-rohp-sseum-nee-dah
Past
괴로웠어
gwae-roh-wuh-ssuh
괴로웠어요
gwae-roh-wuh-ssuh-yoh
괴로웠습니다
gwae-roh-wuh-sseum-nee-dah
Future
괴로울 거야
gwae-roh-ool- -guh-yah
괴로울 거예요
gwae-roh-ool- -guh-yae-yoh
괴로울 겁니다
gwae-roh-ool- -guhm-nee-dah

Other useful forms

Command Polite (세요)
괴로우세요
gwae-roh-oo-sae-yoh
Suggestion / Let's Polite (요)
괴로워요
gwae-roh-wuh-yoh
Question Polite (요)
괴로워요?
gwae-roh-wuh-yoh-?
Connective “and” — (고)
괴롭고
gwae-rohp-goh
Conditional “if” — (면)
괴로우면
gwae-roh-oo-myuhn
Noun form — (기)
괴로움
gwae-roh-oom