Obscurité vs. ténèbres vs. noir vs. ombre

The French language has several words that can be translated as 'darkness' in English, each with subtle differences in meaning and usage. Let's explore 'obscurité', 'ténèbres', 'noir', and 'ombre'.

Obscurité

'Obscurité' refers to the absence of light or a state of darkness. It can be used both literally and figuratively.
La panne d'électricité a plongé la ville dans l'obscurité.
(The power outage plunged the city into darkness.)
Son passé est entouré d'obscurité.
(His past is shrouded in darkness.)

Ténèbres

'Ténèbres' implies a more profound, often oppressive darkness. It's often used in poetic or dramatic contexts and can have spiritual connotations.
Les ténèbres de la nuit enveloppaient la forêt.
(The darkness of night enveloped the forest.)
Il a traversé les ténèbres de la dépression.
(He went through the darkness of depression.)

Noir

'Noir' primarily means 'black', but can also refer to darkness, especially when used as a noun.
La nuit était d'un noir d'encre.
(The night was pitch black.)
Il fait noir dehors.
(It's dark outside.)

Ombre

'Ombre' means 'shadow' and can refer to partial darkness caused by an object blocking light.
Il s'est assis à l'ombre d'un grand arbre.
(He sat in the shadow of a large tree.)
Les ombres s'allongeaient avec le coucher du soleil.
(The shadows lengthened with the sunset.)

Summary

While all these words relate to darkness, they have distinct uses: 'obscurité' is general darkness, 'ténèbres' is deep or spiritual darkness, 'noir' is blackness or nighttime darkness, and 'ombre' refers to shadows or partial darkness.