falter, stutter, fluctuate, vacillate, pause, stop, hold off, hold back, be dubious, be uncertain, flounder, alternate, straddle, hover, scruple, balk, ponder, think about, defer, stay one's hand, delay, wait, think it over, change one's mind, trim, recoil, shy at, demur, dally, seesaw back and forth, not know what to do, be irresolute, pull back, catch one's breath, weigh and consider, oscillate, hang back, swerve, tergiversate, debate, shift, shrink, wait, deliberate, linger, balance, equivocate, think twice*, drag one's feet*, hang off*, shilly-shally*, hem and haw*, blow hot and cold*, dillydally*, straddle the fence*, leave up in the air*, make bones about*, hang in the air*, do figure eights*; see also stammer, waver.
Antonyms decide, resolve*, conclude.
