extended metaphor

English

Examples
If one starts with the metaphor of “The seeds of discontent have already been sown”, an extension could be “It remains to see whether weed or flower will spring forth.”

extended metaphor (plural extended metaphors)

(rhetoric) A metaphor that is continued over multiple sentences.
Synonyms: conceit, megametaphor
- 2012, Monika Fludernik, Beyond Cognitive Metaphor Theory: Perspectives on Literary Metaphor, Routledge, →ISBN, page 101:
  Having considered the use of extended metaphor and narrative in two Blake poems, we are now ready to discuss a recent cognitive reading of a third poem, “A Poison Tree”, focussing on metaphor and allegory (Crisp 2008).