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一定

yī dìng
HSK 2.0 Level 3 HSK 3.0 Level 3 Adjective Very common

Definitions

  1. 1. surely
  2. 2. certainly
  3. 3. necessarily
  4. 4. fixed
  5. 5. a certain (extent etc)
  6. 6. given
  7. 7. particular
  8. 8. must

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Word relationships

Antonyms

1 item
未必
wèi bì

not necessarily

Negation of 'certainly', meaning 'not necessarily'

Synonyms

1 item
肯定
kěn dìng

to be certain

As an adverb meaning 'certainly' or 'surely'

Example Sentences

5 shown
他 一定 会来。
He will definitely come.
我们 一定 要消灭害虫。
We must eliminate the pests.
我 一定 要争气，考上好大学。
I must work hard and get into a good university to prove myself.
只要我们众志成城，就 一定 能克服困难。
As long as we are united, we will surely overcome the difficulties.
只要大家齐心协力，就 一定 能成功。
As long as everyone works together with one heart and mind, we will surely succeed.

AI-generated examples are marked with this icon.

Words Containing 一定

不一定
bù yī dìng

not necessarily

一定要
yī dìng yào

must

Child Words of 一定

一
yī

one

定
dìng

to set