po-faced /pōˈfāst/ (informal)

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

• cottonocracy
• cotton on
• cotton on to
• cotton-picking
• cotton plant
• cotton plants
• cotton press
• cotton presses
• cottons
• cotton sedge
• cottonseed
• cottonseeds
• cotton spinner
• cotton spinners
• cotton stainer
• cotton stainers
• cottontail
• cottontails
• cotton thistle
• cotton thistles
• cotton tree
• cotton trees
• cotton waste
• cottonweed
• cottonweeds