1. To double the degree
   "she was doubly rewarded"
   - double, twice 
2. In a twofold manner
   "he was doubly wrong"
   - in two ways

See also: double

• pyrethrin
• pyrethrum
• pyretic
• Pyrex
• pyrexia
• pyrheliometer
• pyridine
• Pyridium
• pyridoxal
• pyridoxamine
• pyridoxine
• pyriform
• pyriform area
• pyriform lobe
• pyrilamine
• pyrimidine
• pyrite
• pyrites
• pyro-
• pyrocellulose
• Pyrocephalus
• Pyrocephalus rubinus mexicanus
• pyrochemical
• pyrochemical process
• pyrochemistry