DictionaryAI

common

KAH-muhn/ˈkɑ.mən/KO-muhn/ˈkɒm.ən/

20 meanings of common

Practice

  1. 1
    adjective
    Happening often or found in many places. Not rare.

    Rain is common here in the spring.

    It's common to feel nervous before a big test.

    UsageSay it is common to + verb: it is common to see deer here.

    Oppositerare, unusual, infrequent

    Note
  2. 2
    adjective
    Shared by two or more people or things, or by everyone.

    Like one backyard that two houses both use.

    The four apartments share a common laundry room in the basement.

    The two countries share a common border.

    UsageSay you have something in common with someone: you share it.

    Similarshared, communal, joint, mutual, collective

    Oppositeprivate, individual, separate, personal

    Note
  3. 3
    ordinary (low-class)adjective
    Ordinary and plain, and sometimes an unkind word for rude or low-class.

    She wore a common dress with no decoration at all.

    His grandmother said chewing gum in public was common.

    UsageCalling a person common is rude.

    Similarplain, ordinary, vulgar, simple, coarse

    Oppositerefined, elegant, sophisticated, fancy

    Note
  4. 4
    adjective
    Used for the everyday name of a plant or animal, not its scientific name.

    'Ladybug' is the common name for this little beetle.

    The plant's common name is much easier to remember than its Latin one.

    UsageAlmost always used in the phrase common name.

    Similarvernacular, popular

    Oppositescientific

    Note
  5. 5
    in species namesadjective
    Used in the name of a plant or animal to show it is the usual, well-known kind.

    We spotted a common frog by the pond.

    The common daisy grows in almost every lawn around here.

    Note
  6. 6
    law by customadjective
    Coming from custom and old court decisions, not from written laws passed by lawmakers.

    Judges in England built up common law over many centuries.

    Many of our rights come from common law, built on old court decisions.

    UsageMostly in common law.

    Oppositestatutory

    Note

Practice

Can you tell the meanings of common apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

It comes from Latin commūnis, meaning "common" or "public," which passed through Old French and Middle English into English.

Checked 31 Oct 2026 · 3 facts