1. One excessively fond, or weak in love 
2. One who dotes; a man whose understanding is enfeebled by age; a dotard

Derived forms: doters

• demonstrator
• demoralisation
• demoralise
• demoralised
• demoralising
• demoralization
• demoralize
• demoralized
• demoralizing
• Demosthenes
• Demosthenic
• demote
• demotic
• Demotic script
• demotion
• demotivate
• demount
• Dempsey
• demulcent
• Demulen
• demulsify
• demur
• demure
• demurely
• demureness