US /ˌɪndɪˈkɔɹəm/ UK /ˌɪndɪˈkɔːrəm/
noun

Meanings

  1. 1
    noun

    lack of proper behavior, manners, or good taste; impropriety

    The committee was embarrassed by the indecorum of shouting during the memorial.

  2. 2
    noun

    an act or instance of improper or unseemly behavior

    Wearing muddy boots into the chapel was regarded as an indecorum.

Thesaurus

Synonyms
1 noun · lack of proper behavior,... improprietyunseemlinessrudenessindecency
2 noun · an act or instance of... breach of etiquetteindiscretionimpropriety
Word family

Etymology

A learned borrowing from Latin indecorum, the neuter of indecorus ("unseemly, improper"), formed from in- ("not") + decorus ("fitting, becoming"). It is the direct negative counterpart of decorum.

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