不 一 定

bù yī dìngdictionary entry

not necessarily / maybe

Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-c5c92d25c9fe0542. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

不一定不一定 [bu4 yi1 ding4] /not necessarily/maybe/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

不
bù
no / not so / (bound form) not / un-
一
yī
one / single / a (article) / as soon as / entire / whole / all / throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yāo] for greater clarity when spelling out numbers digit by digit
定
dìng
to fix / to set / to make definite / to subscribe to (a newspaper etc) / to book (tickets etc) / to order (goods etc) / to congeal / to coagulate / (literary) definitely

Reference definitions from CC-CEDICT.