1. A simpleton; a silly person

Derived forms: ninnyhammers

• declaimer
• declamation
• declamatory
• declarable
• declarant
• declaration
• declaration of estimated tax
• Declaration of Independence
• declarative
• declarative mood
• declarative sentence
• declaratory
• declaratory sentence
• declare
• declare oneself
• declared
• declarer
• declass
• declassification
• declassified
• declassify
• declaw
• declension
• declensional
• declinable