Verbseoul.
하다 verb (adj)
불친절하다bulchinjeolhadaunkind, unfriendly

To say unkind, unfriendly politely in the present tense, use 불친절해요 (bool-cheen-chuhl-hae-yoh). Below is the full conjugation of 불친절하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
불친절해
bool-cheen-chuhl-hae
불친절해요
bool-cheen-chuhl-hae-yoh
불친절합니다
bool-cheen-chuhl-hahm-nee-dah
Past
불친절했어
bool-cheen-chuhl-hae-ssuh
불친절했어요
bool-cheen-chuhl-hae-ssuh-yoh
불친절했습니다
bool-cheen-chuhl-hae-sseum-nee-dah
Future
불친절할 거야
bool-cheen-chuhl-hahl- -guh-yah
불친절할 거예요
bool-cheen-chuhl-hahl- -guh-yae-yoh
불친절할 겁니다
bool-cheen-chuhl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
불친절하세요
bool-cheen-chuhl-hah-sae-yoh
Suggestion / Let's Polite (요)
불친절해요
bool-cheen-chuhl-hae-yoh
Question Polite (요)
불친절해요?
bool-cheen-chuhl-hae-yoh-?
Connective “and” — (고)
불친절하고
bool-cheen-chuhl-hah-goh
Conditional “if” — (면)
불친절하면
bool-cheen-chuhl-hah-myuhn
Noun form — (기)
불친절함
bool-cheen-chuhl-hahm