1. Surpassing in quality
   "top-grade ore"
   - high-grade, top-quality

See also: best

• quasi
• quasi contract
• quasi-NGO
• quasi-religious
• quasi-royal
• quasi-stellar radio source
• quasiparticle
• quassia
• Quassia amara
• quassia family
• quat
• quatercentenary
• quatercentennial
• quatern
• quaternary
• quaternary ammonium compound
• Quaternary period
• quaternate
• quaternion
• quaternity
• quatorze
• quatrain
• quatrefoil
• quattrocento
• quaver