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    Sequestration of carbon dioxide in the ground
    Word of the Day

    Sequester

    si-kwes-ter

    to isolate or hide away; to keep a person or group apart from others

    "The jury was sequestered for the duration of the high-profile trial to prevent any external influence on their verdict."

    Last updated: Thursday 13th August 2026

    📜 Etymology & Origin

    The word 'sequester' originates from Latin. It derives from the Latin verb 'sequestrare', meaning 'to place in safekeeping', 'to surrender', or 'to separate'. This in turn comes from 'sequester', an adjective meaning 'deposited' or 'held by a trustee'. The core idea is of something being set aside or put in the care of another, often for legal or p

    Quick Answer

    Sequester means to set something or someone aside and keep them hidden or isolated. It matters because it can be crucial for fairness, like sequestering a jury to prevent outside influence. It's also a powerful technique for personal focus, allowing individuals to block out distractions and concentrate deeply.

    In a hurry? TL;DR

    • 1Sequester means to deliberately isolate something or someone for a specific purpose, like safety or focus.
    • 2It's often a formal act, famous in law for jury isolation to prevent bias.
    • 3Professionals now use sequestration electively to achieve deep work by blocking distractions.
    • 4Carbon sequestration removes CO2 from the atmosphere, tucking it away safely.
    • 5Sequester implies a temporary state with a clear objective, unlike general seclusion.
    • 6Use 'sequester' when emphasizing a controlled removal for a functional goal.

    Why It Matters

    Sequestering, whether juries from outside influence or carbon from the atmosphere, is a vital technique for preserving integrity and managing volatile elements.

    To sequester is to deliberately isolate or withdraw someone or something from outside influence. It describes a purposeful removal from the public eye, often to ensure safety, neutrality, or deep focus.

    The Essentials

    • Part of Speech: Verb
    • Pronunciation: si-KWES-ter (/sɪˈkwɛstər/)
    • Meaning: To isolate or hide away; to keep a person or group apart from others.

    Why It Matters

    Understanding sequester is the difference between simply being alone and being strategically isolated for a specific purpose.

    The Art of Deliberate Isolation

    Sequester is a word that carries the weight of authority. Unlike hiding, which implies fear, or solitude, which suggests a personal preference, sequestration is often a formal or functional act. It is most famous in the legal world, where a jury might be sequestered to prevent them from hearing news reports that could bias their verdict.

    In a modern context, the word has taken on a more personal, elective meaning. With the rise of the distraction economy, many professionals choose to sequester themselves in remote cabins or phoneless offices to achieve deep work. It represents a hard boundary between the self and the noise of the collective.

    The word also lives in the sciences. Carbon sequestration is the process by which carbon dioxide is removed from the atmosphere and held in solid or liquid form. Here, the word maintains its core identity: taking something volatile and tucking it away where it can no longer influence the surrounding environment.

    Sequester in Action

    • The judge decided to sequester the jury for the duration of the high-profile trial to avoid media interference.
    • During the final month of writing her thesis, Sarah chose to sequester herself in the university archives.
    • Forest restoration is one of the most effective ways to naturally sequester carbon from the atmosphere.
    • The diplomat was sequestered in a private villa while the terms of the treaty were finalised.

    Comparisons and Context

    Unlike other terms for isolation, sequester implies a temporary state with a clear end goal.

    • Synonyms: Isolate, segregate, cloister, detach.
    • Antonyms: Integrate, socialise, release, reveal.

    Practical Usage Tips

    Use sequester when there is a sense of protection or necessity involved. You do not sequester yourself just because you are tired; you sequester yourself because the world outside is a distraction to the task at hand. It is a high-status word that elevates a simple act of withdrawal into something significant.

    Is sequester only used in law?

    No. While it has roots in legal and budgetary language, it is commonly used in biology regarding carbon and in daily life to describe intense, focused isolation.

    What is the difference between sequester and seclude?

    Seclusion is often about privacy and peace. Sequestration is more formal and usually involves a specific barrier to prevent outside information or influence from getting in.

    Can sequester be a noun?

    In American politics, sequestration is a noun referring to automatic spending cuts, but the act itself is almost always used as a verb in general conversation.

    Key Takeaways

    • Sequestering is a functional form of isolation.
    • It is commonly used in legal, environmental, and professional contexts.
    • The word implies that the isolation is necessary to maintain purity or focus.
    • It originates from the Latin word for a mediator or safekeeper.

    Example Sentences

    "The jury was sequestered for the duration of the high-profile trial to prevent any external influence on their verdict."

    "During the pandemic, many people chose to sequester themselves at home to limit exposure to the virus."

    "The artist decided to sequester himself in a remote cottage to fully concentrate on his new painting series."

    "To ensure fairness, the referee sequestered the two arguing team captains in separate rooms before mediating their dispute."

    "The government planned to sequester funds from certain departments to cover an unexpected budget deficit in another."

    Frequently Asked Questions

    To sequester means to deliberately isolate or withdraw someone or something from outside influence, often for safety, neutrality, or deep focus.

    The word sequester is famously used in the legal world, particularly when a jury is isolated to prevent outside influence. It's also used in science for carbon sequestration and in everyday contexts for deep focus.

    Sequester implies a purposeful and often formal or functional act of isolation, with a clear end goal, unlike simple solitude or hiding.

    Carbon sequestration is the process of removing carbon dioxide from the atmosphere and storing it in a solid or liquid form, like in forest restoration.

    Sources & References