sunny vs untroubled

sunny

adj

  • Cheerful. 

  • Of or relating to the sun; proceeding from, or resembling the sun; shiny; radiant. 

  • Receiving a lot of sunshine. 

  • Featuring a lot of sunshine. 

noun

  • A sunfish. 

adv

  • sunny side up 

untroubled

adj

  • Without worries; free from care. 

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