hypermetrical

/ˌhaɪpərˈmɛtrɪkəl/
adjective
  1. Having an extra syllable or syllables beyond the regular metrical pattern in a line of poetry.
    • Students analyzed the hypermetrical foot in the second stanza of the poem.
    • The poet used a hypermetrical line to create a sense of urgency.
    • In the sonnet, the hypermetrical syllable at the end broke the expected rhythm.
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