darken

1. (transitive)To make dark or darker by reducing light.

   затемнятьzatemnjatʹ

   make dark or darker

2. (intransitive)To become dark or darker (having less light).

   become dark or darker

3. (impersonal)To get dark (referring to the sky, either in the evening or as a result of cloud).

4. (transitive)To make dark or darker in colour.

   затемнятьzatemnjatʹ

5. (intransitive)To become dark or darker in colour.

   verdunkeln

   темне́тьtemnétʹ

6. (transitive)To render gloomy, darker in mood.

7. (intransitive)To become gloomy, darker in mood.

   1797, Ann Radcliffe, The Italian, London: T. Cadell Jun[ior] and W. Davies, Volume 2, Chapter 9, p. 303, His countenance darkened while he spoke […]

8. (transitive)To blind, impair the eyesight.

9. (intransitive)To be blinded, lose one’s eyesight.

10. (transitive)To cloud, obscure, or perplex; to render less clear or intelligible.

11. (transitive)To make foul; to sully; to tarnish.

    tarnish or stain

12. (intransitive)To be extinguished or deprived of vitality, to die.

1. The sky suddenly began to darken.

   ruНебо внезапно начало темнеть.

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2. The sky darkened, and it soon began to rain.

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3. Tom's expression darkened.

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4. Her eyes darkened.

   Її очі потемнішали.

   ruЕё глаза потемнели.

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5. The sky darkened.

   Небо потемнішало.

   ruНебо потемнело.

   deDer Himmel verdunkelte sich.

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regular · Lesson

• darken upTo become or make (something) darker.
• darken downTo become or make (something) darker.