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taboo

C2
verb
Fairly common

Pronunciation

UK

  • /tæbˈuː/

US

  • /tæˈbu/

Meanings

Noun

  1. a social or cultural prohibition on something

Adjective

  1. socially forbidden or considered improper to discuss or do

Beyond the definition

A taboo isn't just something you don't like—it's something a whole culture or group considers deeply improper, sacred, or forbidden. Think of ancient rules against eating certain animals or the historical silence surrounding mental health. These aren't simply personal preferences; they are powerful social boundaries. Breaking a taboo can bring shame, disgust, or even punishment. It is like an invisible line you are taught not to cross. Sometimes taboos change over time: what was once strictly forbidden might become acceptable, and vice versa. For example, while discussing divorce was once a strong taboo in many societies, it is now more openly addressed.

Examples

  1. 1

    Family privacy

    In her family, asking someone how much they earn was almost taboo.

  2. 2

    Sensitive topic

    For years, divorce was a taboo subject in the town.

  3. 3

    Eating customs

    In some places, it's taboo to eat with your left hand.

    • Patternit is taboo to + verb

      people think doing it is socially unacceptable

  4. 4

    Public criticism

    There is still a strong taboo against criticizing your parents in public.

    • Patterna taboo against + action

      a strong social rule that says it should not be done

More examples
  1. 5

    Challenging norms

    The film was praised for challenging old taboos about women's sexuality.

  2. 6

    Mental health

    Talking about therapy is less taboo now than it was twenty years ago.

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • taboo subject
  • taboo topic
  • considered taboo
  • taboo in polite conversation

Word family

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Forms and spellings

4 forms open this card.

Main spelling

  • taboonounverbadjective

Forms

  • taboospluralnounverbadjective
  • tabooedpast tenseverbnounadjective
  • tabooing-ing formverbnounadjective