Go back on and Play false

Go back on verb - Fail to fulfill a promise or obligation.

Play false and go back on are semantically related in be disloyal topic. In some cases you can use "Play false" instead a verb "Go back on".

Play false verb - Conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end.

Go back on and play false are semantically related in be disloyal topic. Sometimes you can use "Go back on" instead a verb phrase "Play false".