Obstreperous

Wednesday, October 8, 2025
Word of the Day

What is Obstreperous?

adjective
Noisy and difficult to control; aggressively boisterous.

Pronunciation

US pronunciation: /əbˈstrɛp.ər.əs/
UK pronunciation: /əbˈstrɛp.ər.əs/
Slow pronunciation: ob-STREP-er-us

Meaning Explained

Obstreperous blends loudness with defiance — unruly energy that resists restraint.

Why This Word?

Chosen to capture the tumult of crowds, classrooms, and politics.

Examples of Use

Here's how this word appears in everyday language:

  • The meeting dissolved into obstreperous shouting.
  • An obstreperous child refused to sit still.
  • Obstreperous crowds surged past the barriers.

Word Origins

Latin obstreperus “clamorous,” from ob- (against) + strepere (to make noise)

Often used for riotous behavior or disorderly protests.

First appearance in English: 17th century

Word Family

Related forms of this word:

  • Adjective: boisterous

    A boisterous crowd filled the plaza.

  • Adjective: rowdy

    Rowdy fans spilled into the streets.

  • Adjective: unruly

    Unruly behavior halted the concert.

Around the World

How this word appears in other languages:

  • Spanish: alborotador / ruidoso
  • French: tapageur / indiscipliné
  • German: aufsässig und lärmend
  • Italian: turbolento / rumoroso
  • Portuguese: barulhento e indisciplinado

If you Already Know This Word

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

Boisterous

Loud and lively; not necessarily defiant.

Recalcitrant

Defies authority; not always noisy.

Tumultuous

Suggests chaos; “obstreperous” highlights noisy resistance.

Fun Facts

  • “Obstreperous” peaked in 19th–20th century prose but remains vivid today.
  • Shares a root with “strepitus,” Latin for a loud noise or din.

Cultural Usage

  • Charges may include “obstreperous conduct” during proceedings.
  • Teachers develop strategies for obstreperous classes.

Common Mistakes

Sometimes confused with “boisterous”; “obstreperous” adds resistance.

Micro Story

Security removed the obstreperous hecklers from the hall.