1. Not capable of being improved on
   - unexcelled, unexceeded

See also: best

• complect
• complement
• complement fixation
• complement fixation test
• complemental
• complementarity
• complementary
• complementary angles
• complementary color
• complementary colour
• complementary distribution
• complementary DNA
• complementary medicine
• complementation
• complete
• complete blood count
• complete fracture
• completed
• completely
• completeness
• completing
• completion
• complex
• complex absence
• complex body part