WAVER

[verb] [I] - to lose strength, determination or purpose, esp. temporarilyI'm afraid my concentration began to waver as lunch approached.He has never wavered in his support for the leader.Her candid blue gaze never wavers for a moment. [I]Although exhausted by a rigorous round of talks and press conferences, her eyes and voice never wavered. [I]If you waver between two possibilities, you can not decide which of them to choose or you keep choosing one way and then the other."What are you having?" "Er, I'm wavering between the fish soup and the mushroom tart."The company wavered between centralized and decentralized organization.