frou-frou vs trifling

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. 

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

verb
  • To move with the sound of rustling dresses. 

trifling

adj
  • Trivial, or of little importance. 

  • Of suspicious character, typically secretive or deceitful; shady. 

  • Idle or frivolous. 

noun
  • The act of one who trifles; frivolous behaviour. 

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