다분해요 · 다분했어요 · 다분한 (+noun)
considerable, quite a lot (esp. of likelihood)
Example
그 계획은 실패할 가능성이 다분해요.
There's a good chance that plan will fail.
Word parts
다 many+분 portion
Literally 'a large portion'.
Good to know
Typically 가능성이 다분하다 or 소지가 다분하다 — 'there's a good chance of (something bad)'.
Related words