The forest primeval, which refers to a pristine forest that has remained undisturbed for centuries, can also be described using a variety of different synonyms. Some alternatives include the ancient woodland, wildwood, primeval forest, virgin forest, untouched forest, old-growth forest, and pristine woodland. Each of these phrases evokes a slightly different image of a natural environment that has remained unspoiled and unaffected by human activity. While the term "the forest primeval" has a certain poetic quality to it, using alternative synonyms can add variety to your writing and help to paint a more vivid picture of the setting you are describing.