untrue

adjective

1. 1

   (used especially of persons) not dependable in devotion or affection; unfaithful

   a false friend

   when lovers prove untrue

2. 2

   not accurately fitted; not level

   the frame was out of true

   off-level floors and untrue doors and windows

3. 3

   not true to an obligation or trust

   is untrue to his highest opportunity and duty"-Bruno Laske

4. 4

   not according with the facts

   unfortunately the statement was simply untrue