1. Before the usual time or the time expected
   - early, ahead of time

Encyclopedia: Too soon

• phonography
• phonolite
• phonologic
• phonologic system
• phonological
• phonological system
• phonologist
• phonology
• phonometer
• phonon
• phonophobia
• phony
• phooey
• Phoradendron
• Phoradendron flavescens
• Phoradendron serotinum
• phoronid
• Phoronida
• Phoronidea
• phosgene
• phosphatase
• phosphate
• phosphate buffer solution
• phosphatic
• phosphaturia