Example: "Gave false testimony under oath"
Example: "He behaved treacherously"
Example: "A false start"
Example: "False pretenses"
Example: "Delusive faith in a wonder drug"
Example: "It isn't fake anything; it's real synthetic fur"
Example: "A suitcase with a false bottom"
Example: "An assumed name"
Example: "A false friend"
A deceiver.