Jet-black is a commonly used term to describe an intense and dark shade of black. However, there are several synonyms to jet-black that describe a similar hue with different connotations. One such term is "ebony," which not only refers to the deep black color but also invokes the rich and luxurious texture of the wood. Another option is "charcoal," which can describe a darker shade of black with subtle undertones of gray. "Midnight" and "onyx" are also popular synonyms for jet-black, both suggesting the darkness of the night sky and the precious stone, respectively. Regardless of the term used, the central idea behind jet-black remains the same - invoking a deep and intense hue of black.