1. complex number (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
  2. complacent contented to a fault with oneself or one's actions
  3. complexifier someone or something that makes a situation complex
  4. complement something added to embellish or make perfect
  5. complexness the quality of being intricate and compounded
  6. complex complicated in structure
  7. complexion texture and appearance of the skin of the face
  8. compound number a quantity expressed in two different units
  9. composite number an integer that is divisible without remainder by at least one positive integer other than itself and one
  10. complementary serving to fill out, enhance, or supply what is lacking
  11. compliment a remark expressing praise and admiration
  12. complacency the feeling you have when you are satisfied with yourself
  13. complimentary expressing praise and admiration
  14. compulsory required by rule
  15. complainer a person given to excessive complaints and crying and whining
  16. PO box number the number of a letter box at the post office where mail is collected
  17. complexity the quality of being intricate and compounded
  18. compliance the act of submitting, usually surrendering power to another
  19. box number the number of a letter box at the post office where mail is collected
  20. complex quantity (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

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