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

• in detail
• in dishabille
• in due course
• in due season
• in due time
• in earnest
• in effect
• in essence
• in everyone's thoughts
• in evidence
• in extremis
• in fact
• in fiscal matters
• in flagrante delicto
• in flight
• in for
• in force
• in front
• in full
• in full action
• in full swing
• in full view
• in gear
• in general
• in good order