Verbseoul.
하다 verb (adj)

미흡하다 conjugation (miheuphada, to be unsatisfactory, to be inadequate)

To say to be unsatisfactory, to be inadequate politely in the present tense, use 미흡해요 (mee-heu-pae-yoh) · miheupaeyo. Below is the full conjugation of 미흡하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
미흡해
mee-heu-pae
miheupae
미흡해요
mee-heu-pae-yoh
miheupaeyo
미흡합니다
mee-heu-pahm-nee-dah
miheupamnida
Past
미흡했어
mee-heu-pae-ssuh
miheupaesseo
미흡했어요
mee-heu-pae-ssuh-yoh
miheupaesseoyo
미흡했습니다
mee-heu-pae-sseum-nee-dah
miheupaesseumnida
Future
미흡할 거야
mee-heu-pahl guh-yah
miheupal geoya
미흡할 거예요
mee-heu-pahl guh-yae-yoh
miheupal geoyeyo
미흡할 겁니다
mee-heu-pahl guhm-nee-dah
miheupal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
미흡하세요
mee-heu-pah-sae-yoh
miheupaseyo
Suggestion / Let's Polite (요)
미흡해요
mee-heu-pae-yoh
miheupaeyo
Question Polite (요)
미흡해요?
mee-heu-pae-yoh-?
miheupaeyo?
Connective "and" — (고)
미흡하고
mee-heu-pah-goh
miheupago
Conditional "if" — (면)
미흡하면
mee-heu-pah-myuhn
miheupamyeon
Progressive (고 있어요)
미흡하고 있어요
mee-heu-pah-goh ee-ssuh-yoh
miheupago isseoyo
Want to (고 싶어요)
미흡하고 싶어요
mee-heu-pah-goh shee-puh-yoh
miheupago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
미흡할 수 있어요
mee-heu-pahl soo ee-ssuh-yoh
miheupal su isseoyo
Because / So (아/어서)
미흡해서
mee-heu-pae-suh
miheupaeseo
Noun form — (기)
미흡하기
mee-heu-pah-gee
miheupagi
Noun form — (음)
미흡함
mee-heu-pahm
miheupam