po-faced /pōˈfāst/ (informal)

1. (also shortened to po) stupidly solemn and narrow-minded
2. Stolid, humourless

• sea apes
• sea aster
• sea asters
• seabank
• seabanks
• sea bass
• sea basses
• sea bat
• sea-bather
• sea-bathers
• sea-bathing
• sea bats
• sea beach
• sea beaches
• sea bean
• sea beans
• sea bear
• sea bears
• sea beast
• sea beasts
• sea-beat
• sea-beaten
• seabed
• seabeds
• Seabee