In “she dwelt among the untrodden ways,” which literary device does the line “fair as a star, when only one” contain?

In “She Dwelt Among the Untrodden Ways,” the literary device that the line “Fair as a star, when only one” contains is a simile.

A simile is a figure of speech that directly compares two things. Similes are a form of metaphor that explicitly use connecting words such as like, as, so, than.

Meanwhile, a metaphor is a figure of speech that, for rhetorical effect, directly makes reference to one thing by mentioning another.

as much wood as a woodchuck could chuck if a woodchuck could chuck wood.

sadly it cannot chuck wood

  this had halp