sobersided
so·ber·si·ded
adjective
1.
completely lacking in humor or lightness of touch
- “choreography that was sobersided and sententious”
- “a play with a sobersided social message”
Origin
From sober + sided.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.