1. The state of being irrational; lacking powers of understanding
   - irrationality

Derived forms: unreasons

Type of: insanity

• Duke of Edinburgh
• Duke of Lancaster
• Duke of Marlborough
• Duke of Wellington
• Duke of Windsor
• Duke University
• Duke Wayne
• dukedom
• dulcet
• dulciana
• dulcify
• dulcimer
• dulcinea
• dulcorate
• dulia
• dull
• dull-purple
• dull-white
• dull-witted
• dullard
• dulled
• Dulles
• dullish
• dullness
• dullsville