Sesquipedalian

Wednesday, October 15, 2025
Word of the Day

What is Sesquipedalian?

adjective
Characterized by long words; long-winded.

Pronunciation

US pronunciation: /ˌsɛs.kwɪ.pɪˈdeɪ.li.ən/
UK pronunciation: /ˌsɛs.kwɪ.pɪˈdeɪ.li.ən/
Slow pronunciation: sess-kwi-peh-DAY-lee-un

Meaning Explained

Sesquipedalian can be playful self-mockery or a jab at needlessly polysyllabic prose.

Why This Word?

Chosen as a wink to word lovers — meta-vocabulary at its finest.

Examples of Use

Here's how this word appears in everyday language:

  • She turned a simple “yes” into a sesquipedalian flourish.
  • The sesquipedalian jargon alienated readers.
  • He adopted a less sesquipedalian style for the blog.

Word Origins

Latin sesquipedalis “a foot and a half long,” from sesqui- (one and a half) + pes (foot)

Horace warned poets against sesquipedalia verba (overlong words).

First appearance in English: 17th century

Word Family

Related forms of this word:

  • Noun: sesquipedalianism

    Sesquipedalianism can obscure meaning.

  • Adjective: verbose

    A verbose draft needed cutting.

  • Adjective: grandiloquent

    Grandiloquent speeches wowed nobody.

Around the World

How this word appears in other languages:

  • Spanish: sesquipedal
  • French: sesquipédalien
  • German: sesquipedalianisch (selten) / wortreich
  • Italian: sesquipedale
  • Portuguese: sesquipedalino (raro) / prolixo

If you Already Know This Word

If you've mastered this word, try these more advanced alternatives:

Verbose

Wordy but not necessarily polysyllabic.

Grandiloquent

Lofty and showy; sesquipedalian focuses on length.

Circumlocutory

Roundabout phrasing rather than long words.

Fun Facts

  • The word itself performs what it describes — delightfully self-referential.
  • “Hippopotomonstrosesquipedaliophobia” (joking term) is fear of long words.

Cultural Usage

  • Horace mocked sesquipedalian diction in satire.
  • Academic prose sometimes tilts sesquipedalian.

Common Mistakes

Not a compliment in editing notes!

Micro Story

His sesquipedalian memo obfuscated a simple plan.