What is another word for vallest?
Pronunciation: [vˈaləst] (IPA) 
The word "vallest" is the superlative form of the adjective "valley". Synonyms for "valley" include ravine, gorge, canyon, dell, dale, hollow, depression, basin, trench, and trough. These words are utilized to describe a low area of land enclosed by hills or mountains. Each synonym portrays its own distinct image for the formation of a valley, be it narrower and deeper like a canyon or broader and shallower like a basin. Vocabularies are crucial to effective writing, and using synonyms for the same word can help to add depth and create vivid imagery in the reader's mind.
