scatterbrained

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. guided by whim and fancy
- flighty young girls
• Syn:
flighty, flyaway, head-in-the-clouds
• Similar to:
frivolous
• Derivationally related forms:
flightiness (for: flighty)
2. lacking sense or discretion
- his rattlebrained crackpot ideas
- "how rattlepated I am! I've forgotten what I came for"- Glenway Westcott
• Syn:
rattlebrained, rattlepated, scatty
• Similar to:
foolish