1. Unpredictably excitable (especially of horses)
   - skittish, flighty, spooky, nervous

See also: excitable

• overcrossing
• overcrowd
• overcultivate
• overcup oak
• overcurious
• overdelicate
• overdevelop
• overdo
• overdog
• overdone
• overdose
• overdraft
• overdraft credit
• overdramatise
• overdramatize
• overdraw
• overdress
• overdressed
• overdrive
• overdub
• overdue
• overeager
• overeat
• overeating
• overemotional