Skip to content
    A person shouting loudly, looking angry and defiant.
    Word of the Day

    Obstreperous

    uhb-STRIP-er-uhs (/əbˈstrɛpərəs/)adjective

    noisy and difficult to control.

    "The teacher struggled to maintain order in the classroom due to the obstreperous behaviour of a few pupils during the substitute's lesson."

    Last updated: Tuesday 14th April 2026

    📜 Etymology & Origin

    The word "obstreperous" has its roots in late Latin, derived from the Latin word "obstreperus," which means "making a noise against, clamorous." This in turn comes from "obstropere," meaning "to make a noise against," formed from the prefix "ob-" (meaning "against") and "strepere" (meaning "to make a noise, to roar"). It entered the English languag

    Quick Answer

    Obstreperous means being noisy and difficult to control, often defiantly. It's a great word because it captures the sound of resistance, painting a vivid picture of someone not just making a fuss, but making a fuss while refusing to be managed.

    In a hurry? TL;DR

    • 1Obstreperous means noisily and aggressively defiant, combining loud volume with a refusal to be managed.
    • 2Use 'obstreperous' when describing vocal resistance and unruliness, not just general loudness.
    • 3It implies an active, intentional use of noise to oppose authority or situations.
    • 4Unlike 'boisterous,' 'obstreperous' carries a sharper edge of irritation and opposition.
    • 5Historically used to describe public disturbances and disruptive court proceedings.
    • 6Think of it as the sound of someone loudly refusing to comply with demands.

    Why It Matters

    Obstreperous is an interesting word because it specifically describes a type of loud defiance that's actively resistant to control, rather than just simply noisy.

    Obstreperous describes someone or something that is not only noisy but actively resistant to control or discipline. It is the specific brand of loud-mouthed defiance found in unruly crowds, rowdy classrooms, or uncooperative toddlers.

    Quick Answer

    Obstreperous is an adjective used to describe individuals or groups who are noisily and aggressively defiant. It combines loud volume with a stubborn refusal to submit to authority.

    Lexical Profile

    • Part of Speech: Adjective
    • Pronunciation: uhb-STREP-er-uhs (/əbˈstrɛpərəs/)
    • Definition: Noisy and difficult to manage; unruly.

    The Art of Being Loudly Difficult

    To be obstreperous is to be more than just loud; it is to use noise as a tactic of resistance. While a thunderclap is loud, it is not obstreperous because it lacks intent. This word is reserved for the living: the protester who shouts down a mediator, the customer making a scene to avoid a policy, or the hounds that refuse to be quieted during a hunt.

    The word fills a specific gap in the English language by linking volume to behaviour. Unlike boisterous, which implies a cheerful or high-spirited energy, obstreperous carries a sharper edge of irritation and opposition. It suggests a situation that has moved beyond mere annoyance into the realm of the unmanageable.

    In legal and formal historical contexts, the term often appears to describe mobs or public disturbances. According to records in the Old Bailey Online archive, the word was frequently used in 18th-century courtrooms to describe defendants or witnesses who disrupted proceedings with clamorous outbursts. This sense of public defiance remains its primary modern application.

    Examples in Context

    • The meeting devolved into an obstreperous shouting match after the budget cuts were announced.
    • Canine trainers often struggle with obstreperous puppies that perceive every command as an invitation to bark.
    • Security was called to escort the obstreperous passenger from the boarding gate.
    • History remembers the group not as polished diplomats, but as an obstreperous band of radicals.

    Shades of Meaning

    • Synonyms: Refractory, truculent, clamorous, unmanageable.
    • Antonyms: Submissive, quiet, tractable, sheepish.

    Practical Usage Tips

    Use this word when the noise is a symptom of a power struggle. If a group is just having a loud party, they are boisterous. If they start shouting at the police who come to shut it down, they have officially become obstreperous. It is a highly effective word for formal complaints or performance reviews where you need to describe someone as difficult without sounding overly emotional.

    Key Takeaways

    • Meaning: Combines high volume with active defiance.
    • Origin: From the Latin for making a noise against.
    • Distinctions: More aggressive than boisterous and noisier than recalcitrant.
    • Usage: Ideal for describing unruly crowds or uncooperative individuals.

    Example Sentences

    "The teacher struggled to maintain order in the classroom due to the obstreperous behaviour of a few pupils during the substitute's lesson."

    "Despite repeated requests for quiet, the obstreperous crowd continued to chant and disrupt the proceedings."

    "The toddler became particularly obstreperous when told it was time to leave the park, loudly refusing to put on his shoes."

    "Management had to intervene to calm the obstreperous customer who was causing a scene over a minor misunderstanding."

    "Trying to herd the obstreperous sheep back into the pen proved to be a challenging and noisy task for the shepherd."

    Frequently Asked Questions

    Obstreperous means noisy and difficult to control or manage, often involving loud and aggressive defiance.

    While both words imply loudness, boisterous suggests cheerful or high-spirited energy, whereas obstreperous carries a sharper edge of irritation and active opposition or unruliness.

    Use obstreperous when describing someone or something that is not only loud but also actively resisting control or authority, especially in a way that makes them difficult to manage.

    An obstreperous toddler might yell and refuse to follow instructions, or an obstreperous crowd might shout down speakers and resist organizers. It's noise combined with defiance.

    Sources & References