DictionaryAI

compound

SayKOM-powndUS/ˈkɑmpaʊnd//ˈkɒmpaʊnd/
As a verbkuhm-POWND

Pluralcompounds

Verbcompounds, compounding, compounded

17 meanings of compound

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  1. 1
    chemical substancenouncountable
    A substance made when two or more chemical elements join together.

    Like a cake: once you mix and bake the ingredients, you get something new that you can't easily separate again.

    Water is a compound of hydrogen and oxygen.

    Many cleaning products contain compounds that can be dangerous.

    UsageA compound of two elements. In science, a compound is not the same as a mixture.

    Oppositeelement

    Note
  2. 2
    make worseverbtransitive
    To make a bad situation even worse.

    Like adding more weight to a bag that is already too heavy.

    Missing the bus will only compound your problems today.

    Lying about it just compounds the trouble you're in.

    UsageUse it with something bad: compound a problem, compound a mistake, or compound the damage.

    Similarworsen, aggravate, exacerbate, intensify, magnify

    Oppositealleviate, ease, mitigate, relieve

    Note
  3. 3
    nouncountable
    An area with a fence or wall around it and buildings inside, used for living, working, prisoners or storage.

    Like a cluster of houses all built right next to each other.

    The school has a large compound with several buildings.

    Guards stood at the gate of the walled compound.

    Similarenclosure, complex

  4. 4
    adjective
    Made of several parts joined together, not just one.

    Like a sandwich: it has many layers instead of just one.

    A bee has compound eyes made of many tiny parts.

    The machine has a compound design with many moving parts.

    UsageThe opposite of compound is simple.

    Similarcomposite

    Oppositesimple

    Note
  5. 5
    grow with interestverbintransitive
    To grow in value as interest is added to both the money saved and the interest already earned.

    Like a snowball rolling downhill, getting bigger and bigger as it goes.

    If you leave the money alone, it will compound year after year.

    Savings compound faster when interest is added every month.

    UsageUsed with words showing how often interest is added: interest compounds daily, monthly or yearly.

    Note
  6. 6
    mix ingredientsverbtransitive
    To make something by mixing different parts or ingredients together.

    Like making soup by adding many things into one pot.

    The chemist compounds the cream from oils and water.

    They compound the paint by mixing several colors.

    UsageYou compound a medicine from its ingredients, or compound one thing with another.

    Similarmix, combine, blend, mingle, amalgamate

    Oppositeseparate

    Note
  7. 7
    nouncountable
    Something made by mixing or putting together two or more different things.

    Like a recipe where you blend several things into one mixture.

    The chemist sold a compound for soothing sore throats.

    A compound of spurge, cardamom, cinnamon of Mecca, pellitory, ginger, nettle seed is an Arab specific for sexual weakness.
    1961, Harry E. Wedeck, Dictionary of AphrodisiacsHere, compound means a mixture made by putting several things together.

    UsageIn science, a simple blend is a mixture, not a compound.

    Similarmixture, blend, preparation, composite, amalgam

    Note
  8. 8
    joined wordnouncountable
    A word made by joining two or more smaller words or word parts.

    Like joining two LEGO bricks to make one bigger piece.

    The word "toothbrush" is a compound made from two smaller words.

    English forms many compounds by joining short words together.

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Origins

Meaning 3

It possibly comes from the Malay word "kampong," meaning a group of buildings or a village.

Checked 31 Oct 2026 · 2 facts

Meanings 1–2, 4–11

It comes from Latin "componere," from "com-" ("together") plus "ponere" ("to put"), so it means "to put together."

Checked 31 Oct 2026 · 2 facts

  • Compound ultimately derives from Latin componere, the infinitive of compōnō. en.wiktionary.org
  • Componere combines com- (‘together’) and ponere (‘to put’), meaning ‘to put together’. en.wiktionary.org