vac·il·lant 
(văsə-lənt)
(văsə-lənt)adj.
Undergoing vacillation; wavering.
- undercurrent
- undercut
- underdeveloped
- underdevelopment
- underdo
- underdog
- underdone
- underdrawers
- underdress
- underdrive
- undereducated
- underemphasis
- underemphasize
- underemployed
- underemployment
- underendowed
- underestimate
- underestimation
- underexpose
- underexposure
- underfeed
- under fire
- underflow
- underfoot
- underfund