Synonym of TENEBROUS

Obstinate
Gloomy
Fragile
Overhanging

The correct answer is B. Gloomy.

Tenebrous means dark, gloomy, or sinister. It can also refer to something that is obscure or difficult to understand.

Obstinate means stubbornly refusing to change one’s opinion or course of action.

Fragile means easily broken or damaged.

Overhanging means projecting or extending over something else.

Of the above options, only gloomy is a synonym of tenebrous.