sesquipedalian

/ˌsɛskwɪpɪˈdeɪliən/
noun
  1. A person who uses long words.
    • The writer was known as a sesquipedalian, but his stories were still engaging.
    • The debate club had a few sesquipedalians who loved showing off.
    • As a sesquipedalian, she couldn't resist using "floccinaucinihilipilification" in conversation.
  2. A long word.
    • The teacher asked the class to find a sesquipedalian in the poem.
    • He challenged his friend to spell a sesquipedalian correctly.
    • The dictionary was full of obscure sesquipedalians.
adjective
  1. Relating to or using very long words; long-winded.
    • The professor's sesquipedalian lecture confused the first-year students.
    • His sesquipedalian style made the simple instructions hard to follow.
    • She avoided sesquipedalian language in her blog to keep it accessible.
  2. Very long; polysyllabic (of a word).
    • The crossword puzzle was full of sesquipedalian terms.
    • "Antidisestablishment" is a famously sesquipedalian word.
    • He enjoyed using sesquipedalian vocabulary to impress his friends.
Antonyms
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