having spring fever vs languid

having spring fever

languid

adj
  • Of an idea, writing, etc.: dull, uninteresting. 

  • Of a period of time: characterized by lack of activity; pleasant and relaxed; unstressful. 

  • Of a person or animal, or their body functions: flagging from weakness, or inactive or weak, especially due to illness or tiredness; faint, listless. 

  • Of a colour: not bright; dull, muted. 

  • Of a person or their actions, character, etc.: lacking drive, emotion, or enthusiasm; apathetic, listless, spiritless, unenthusiastic. 

  • Of a person or their movement: showing a dislike for physical effort; leisurely, unhurried. 

  • Of a thing: lacking energy, liveliness, or strength; inactive, slow-moving, weak. 

noun
  • Synonym of languet (“a flat plate in (or opposite and below the mouth of) the pipe of an organ”) 

How often have the words having spring fever and languid occurred in a corpus of books? (source: Google Ngram Viewer )