nebulose

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

lacking definite form or limits
- "gropes among cloudy issues toward a feeble conclusion"- H.T.Moore
- nebulous distinction between pride and conceit
• Syn:
cloudy, nebulous
• Similar to:
indistinct
• Derivationally related forms:
cloudiness (for: cloudy)