achievement · noun C or U /əˈtʃiːv.mənt/Full view
Nouns: achievement, underachiever
Adjectives: achievable
Verbs: achieve
achievement
B1 something very good and difficult that you have succeeded in doing
Dictionary examples:

An Olympic silver medal is a remarkable achievement for such a young athlete.

It gives you a sense of achievement if you actually make it to the end of a very long book.

Learner example:

I think this is an achievement because he is now a lawyer. (Preliminary English Test; B1; German)

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