Synonyms for Featherbrained

Synonyms starting with letter U

• unthinking
• unintelligent
• unoccupied
• unimportant
• unprofound
• unstable
• unbalanced
• unsteady
• uncritical
• unreasonable
• unwise
• uneducated
• unschooled
• untaught
• unreliable
• undependable
• unclear
• untrustworthy