decasyllable

/ˈdɛkəˌsɪləbəl/
noun
  1. A word or line of verse consisting of ten syllables.
    • The poet experimented by writing a decasyllable that felt both formal and conversational.
    • Each line of the sonnet is a perfect decasyllable, with no extra syllables.
    • The word 'unquestionably' is a decasyllable, though it is rarely used in poetry.
Antonyms
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