English Lexicon

Adult Book

/əˈdʌlt bʊk/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A book that contains content intended for adult readers, often including explicit themes or material.

    "The bookstore has a special section for adult books that explore complex relationships."
  2. 2

    Literature that is not suitable for children due to its mature themes.

    "Many adult books tackle subjects like sexuality, violence, and moral ambiguity."

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Linguistic Origin & Historical Etymology

The term 'adult book' combines 'adult', derived from the Latin 'adultus' meaning 'grown up', and 'book', from Old English 'bōc', which referred to a written work. The phrase evolved to denote literature intended for mature audiences, particularly those containing explicit content, since the late 20th century.

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