1) Cowardly 2) Hesitant 3) Hesitating 4) Indecisive 5) Undecided 6) Vacillant 7) Vacillating 8) Wavering 1) Discouraged 2) Dithering 3) Doubtful 4) Fickle 5) Going back and forth 6) Hesitant 7) Hesitating undecided 8) In two minds 9) Indecisive 10) Infirm 11) Infirm of purpose 12) Lacking determination 13) Not resolute 14) Unstable 15) Vacillant 16) Vacillating 17) Wavering 18) Weak-kneed 
• (a.) Not resolute; not decided or determined; wavering; given to doubt or irresolution.
Ir·res'o·lute adjective [ Prefix ir- not + resolute : confer French irrésolu , Latin irresolutus not loosened.] Not resolute; not decided or determined; wavering; given to doubt or irresolution. « Weak and irresolute is man.» Cowper. Syn.
hesitating undecided 
[adj] - uncertain how to act or proceed
adjective uncertain how to act or proceed; `the committee was timid and mediocre and irresolute`
not resolute; doubtful; infirm of purpose; vacillating.
uncertain how to act or proceed[Intelligent words] uncertain how to act or proceed