Sombre

We learnt this word during today's CME lesson.

It's pronounced as "som-ber".

1: so shaded as to be dark and gloomy
2 a: of a serious mien : grave b: of a dismal or depressing character : melancholy c: conveying gloomy suggestions or ideas
3: of a dull or heavy cast or shade : dark colored
— som·ber·ly adverb
— som·ber·ness noun

To hear the pronunciation, go to:
http://www.merriam-webster.com/dictionary/sombre