1. Become scared or over stressed
   "I psyched out"
   - psyche, psych out 
2. Mentally prepare
   - psyche

Derived forms: psyched, psychs

Encyclopedia: Psych

• low-level
• low-level formatting
• low-level radioactive waste
• low-lying
• low-minded
• low-necked
• low-pass filter
• low-pitched
• low-powered
• low-pressure
• low-priced
• low-resolution
• low-rise
• low-salt diet
• low-sodium diet
• low-spirited
• low-spiritedness
• low-sudsing
• low-tech
• low-tension
• low-toned
• low-voltage
• low-warp-loom
• low-water mark
• lowan