What are the opposite words for grim-faced?

Grim-faced is a term used to describe someone with a stern, severe and serious expression. The antonyms for grim-faced are quite the opposite - they denote light-heartedness, cheerfulness and a sense of humor. The word 'smiling' is perhaps the most obvious antonym for grim-faced. A person with a smile is warm, friendly and welcoming. Another antonym could be 'amused', which implies that someone is enjoying themselves or feeling entertained. 'Jovial' is another great antonym, conveying the sense of happiness and conviviality that comes with being among good company. Finally, 'laughing' is an antonym that represents the epitome of joyfulness and mirth.

What are the antonyms for Grim-faced?

• adj.

  • grave
  • agitated
  ,
  • boisterous
  ,
  • cheerful
  ,
  • excited
  ,
  • frivolous
  ,
  • funny
  ,
  • happy
  ,
  • inconsequential
  ,
  • light
  ,
  • lively
  ,
  • ridiculous
  ,
  • silly
  ,
  • trivial
  ,
  • unimportant
  .

Well up on is typically used to describe someone who possesses a great amount of knowledge or expertise on a particular subject. However, there are several antonyms for this phrase...