untrue

not according with the facts

• “unfortunately the statement was simply untrue”
• “the facts as reported were wrong”

not true to an obligation or trust

• “is untrue to his highest opportunity and duty” Bruno Laske

not accurately fitted; not level

• “the frame was out of true”
• “off-level floors and untrue doors and windows”

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

• “a false friend”
• “when lovers prove untrue”