1. In a stiff manner
   "his hands lay stiffly"
   - stiff 
2. In a rigid manner
   - rigidly, bolt

See also: stiff

• pneumatic hammer
• pneumatic tire
• pneumatic tyre
• pneumatically
• pneumatics
• pneumatology
• pneumatophore
• pneumococcal
• pneumococcal pneumonia
• pneumococcal vaccine
• pneumococcus
• pneumoconiosis
• pneumocystis carinii pneumonia
• pneumocystis pneumonia
• pneumocytosis
• pneumoencephalogram
• pneumogastric
• pneumogastric nerve
• pneumonectomy
• pneumonia
• pneumonic
• pneumonic plague
• pneumonitis
• pneumonoconiosis
• pneumonoultramicroscopicsilicovolcanoconiosis