Verbseoul.
descriptive
쓸데없다sseuldeeopdaunnecessary, needless, useless

To say unnecessary, needless, useless politely in the present tense, use 쓸데없어요 (sseul-dae-uhp-ssuh-yoh). Below is the full conjugation of 쓸데없다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
쓸데없어
sseul-dae-uhp-ssuh
쓸데없어요
sseul-dae-uhp-ssuh-yoh
쓸데없습니다
sseul-dae-uhp-seum-nee-dah
Past
쓸데없었어
sseul-dae-uhp-ssuh-ssuh
쓸데없었어요
sseul-dae-uhp-ssuh-ssuh-yoh
쓸데없었습니다
sseul-dae-uhp-ssuh-sseum-nee-dah
Future
쓸데없을 거야
sseul-dae-uhp-sseul- -guh-yah
쓸데없을 거예요
sseul-dae-uhp-sseul- -guh-yae-yoh
쓸데없을 겁니다
sseul-dae-uhp-sseul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
쓸데없으세요
sseul-dae-uhp-sseu-sae-yoh
Suggestion / Let's Polite (요)
쓸데없어요
sseul-dae-uhp-ssuh-yoh
Question Polite (요)
쓸데없어요?
sseul-dae-uhp-ssuh-yoh-?
Connective “and” — (고)
쓸데없고
sseul-dae-uhp-goh
Conditional “if” — (면)
쓸데없으면
sseul-dae-uhp-sseu-myuhn
Noun form — (기)
쓸데없음
sseul-dae-uhp-sseum