1. Someone with a habitually sullen or gloomy expression
   - sourpuss, gloomy Gus, pouter

Type of: persona non grata, unwelcome person

• neutral spirits
• neutral-colored
• neutral-coloured
• neutralino
• neutralisation
• neutralisation fire
• neutralisation reaction
• neutralise
• neutralised
• neutralism
• neutralist
• neutrality
• neutralization
• neutralization fire
• neutralization reaction
• neutralize
• neutralized
• neutralizer
• neutrally
• neutrino
• neutron
• neutron bomb
• neutron flux
• neutron radiation
• neutron star