beamish

/ˈbiːmɪʃ/
adjective
  1. Smiling in a happy, cheerful way; bright and beaming.
    • Her beamish expression made the whole room feel warmer.
    • The beamish child waved at everyone from the parade float.
    • He gave a beamish nod as he accepted the award.
Antonyms
What does "beamish" mean? | whatsthatwordmean | whatsthatwordmean