double-crosser
1. [ noun ] a person who says one thing and does another
Synonyms: betrayer traitor two-timer double-dealer
Related terms: deceiver Judas deceive
Similar spelling:   double_cross
  double-crossing
  double-space
  double-glaze
  double-click
  double-check
  double_creme
  double_check
  double-spaced
  double_quotes
  double_cream
  double-spacing
  double-geared
  double-chinned
  double_crochet