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

Encyclopedia: Too soon

• plasma physics
• plasma protein
• plasma thromboplastin antecedent
• plasmablast
• plasmacyte
• plasmacytoma
• plasmapheresis
• plasmid
• plasmid DNA
• plasmin
• plasminogen
• plasminogen activator
• plasmodial slime mold
• plasmodial slime mould
• Plasmodiidae
• Plasmodiophora
• Plasmodiophora brassicae
• Plasmodiophoraceae
• plasmodium
• Plasmodium vivax
• plasmon
• Plassey
• plaster
• plaster bandage
• plaster cast