Verbseoul.
ㅂ irregular (adj)
고집스럽다gojipseureopdato be stubborn

To say to be stubborn politely in the present tense, use 고집스러워요 (goh-cheep-sseu-ruh-wuh-yoh). Below is the full conjugation of 고집스럽다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
고집스러워
goh-cheep-sseu-ruh-wuh
고집스러워요
goh-cheep-sseu-ruh-wuh-yoh
고집스럽습니다
goh-cheep-sseu-ruhp-sseum-nee-dah
Past
고집스러웠어
goh-cheep-sseu-ruh-wuh-ssuh
고집스러웠어요
goh-cheep-sseu-ruh-wuh-ssuh-yoh
고집스러웠습니다
goh-cheep-sseu-ruh-wuh-sseum-nee-dah
Future
고집스러울 거야
goh-cheep-sseu-ruh-ool- -guh-yah
고집스러울 거예요
goh-cheep-sseu-ruh-ool- -guh-yae-yoh
고집스러울 겁니다
goh-cheep-sseu-ruh-ool- -guhm-nee-dah

Other useful forms

Command Polite (세요)
고집스러우세요
goh-cheep-sseu-ruh-oo-sae-yoh
Suggestion / Let's Polite (요)
고집스러워요
goh-cheep-sseu-ruh-wuh-yoh
Question Polite (요)
고집스러워요?
goh-cheep-sseu-ruh-wuh-yoh-?
Connective “and” — (고)
고집스럽고
goh-cheep-sseu-ruhp-goh
Conditional “if” — (면)
고집스러우면
goh-cheep-sseu-ruh-oo-myuhn
Noun form — (기)
고집스러움
goh-cheep-sseu-ruh-oom