Be at cross-purposes and Fly in the face of

Fly in the face of and be at cross-purposes are semantically related. In some cases you can replace term "Fly in the face of" with "Be at cross-purposes", this terms are similar.

Fly in the face of verb - Go against.

Be at cross-purposes and fly in the face of are semantically related. Sometimes you can replace phrase "Be at cross-purposes" with "Fly in the face of", this terms are similar.