Tergiversation

noun

1. The act of tergiversating; a shifting; shift; subterfuge; evasion.
2. The act of changing one's opinions or of turning from them; the act of turning against a cause formerly advocated; fickleness or instability of conduct.
3. The act of tergiversating; a shifting; shift; subterfuge; evasion.
4. Fickleness of conduct; inconstancy; change.
5. The act of abandoning something or someone, of changing sides; desertion; betrayal.