How To Write Good Extended Metaphors. The less obvious the association, the more interesting the metaphor. For example, in the film daddy day care, the school directress, miss harridan, likens children to plants.

This means that it lasts for more than a few words. A metaphor is a figure of speech that makes a comparison between two seemingly unlike objects or concepts. An extended metaphor is a metaphor that is developed over several lines of text, over an entire poem, or throughout an entire text.