vacillant

from WordNet (r) 3.0 (2006)

vacillant
    adj 1: uncertain in purpose or action [syn: {vacillant},
           {vacillating}, {wavering}]

from The Collaborative International Dictionary of English v.0.48

Vacillant \Vac"il*lant\, a. [L. vacillans, p. pr. of vacillare:
   cf. F. vacillant. See {Vacillate}.]
   Vacillating; wavering; fluctuating; irresolute.
   [1913 Webster]