Word: 不定 (bùdìng) 不定 dictionary entry bùdìng indefinite; indeterminate; adventitious Full dictionary entry for 不定 Example sentences using 不定 3 sentences, showing page 1 of 1. 下周开会的时间还不定。 Xiàzhōu kāihuì de shíjiān hái búdìng. The time of next week's meeting hasn't been settled yet. 他朝三暮四，总拿不定主意。 Tā zhāosānmùsì, zǒng ná búdìng zhǔyi. He is so indecisive and can never make up his mind. 明天去不去，现在还不定。 Míngtiān qù bú qù, xiànzài hái búdìng. Whether we're going tomorrow is still up in the air.