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

Encyclopedia: Too soon

• prism
• prism spectroscope
• prismatic
• prismatically
• prismatoid
• prismoid
• prison
• prison camp
• prison cell
• prison chaplain
• prison farm
• prison guard
• prison house
• prison term
• prison-breaking
• prisonbreak
• prisoner
• prisoner of war
• prisoner of war camp
• prisoner of war censorship
• prisoner's base
• prisonlike
• priss
• prissily
• prissy