sobersided

/ˈsoʊbərˌsaɪdɪd/
adjective
  1. Serious, solemn, and not easily amused; having a grave or earnest manner.
    • Even at the party, he remained sobersided and refused to join the games.
    • Her sobersided expression made everyone think she was upset.
    • The sobersided judge rarely smiled during the trial.
Antonyms
What does "sobersided" mean? | whatsthatwordmean | whatsthatwordmean