不定

bùdìng

adjective HSK 7 #24,153

Meanings

Shuōbudìng tā yǐjīng dào le.

Maybe he has already arrived.

Shíjiān bùdìng, dào shíhou zài shuō.

The time is uncertain; we'll talk about it later.

usage

说不定 (shuōbudìng) is a very common expression meaning 'maybe/perhaps.' 不定 alone means 'not fixed' or 'uncertain.'

不 bù

定 dìng