4
1. [ adjective ] being one more than three
Synonyms: four iv
Related terms: cardinal
2. [ noun ] (mathematics) the cardinal number that is the sum of three and one
Synonyms: four quatern quartet quaternion quaternary quaternity tetrad quadruplet foursome Little_Joe IV
Related terms: digit
Similar spelling:   49
  48
  47
  46
  45
  44
  43
  42
  41
  40
  94
  84
  74
  64
  54
  400
  34
  24
  14