frou-frou vs indifferent

frou-frou

adj
  • Unimportant, silly, useless. 

  • Liable to create the sound of rustling cloth, similar to 19th-century dresses. 

  • Highly ornamented, overly elaborate; excessively girly. 

verb
  • To move with the sound of rustling dresses. 

noun
  • A rustling sound, particularly the rustling of a large silk dress. 

indifferent

adj
  • Ambivalent; unconcerned; uninterested, apathetic. 

  • Indicating or reflecting a lack of concern or care. 

  • Having no preference. 

  • Mediocre (usually used negatively in modern usage). 

  • Not making a difference; without significance or importance. 

  • Being in the state of neutral equilibrium. 

noun
  • A person who is indifferent or apathetic. 

How often have the words frou-frou and indifferent occurred in a corpus of books? (source: Google Ngram Viewer )