Waver
'waver' is the definition.
(I know that waver can be written as hesitate)
This is all the clue.
(Other definitions for hesitate that I've seen before include "Show indecision" , "Arrangements of units that function together" , "He who does it may be lost" , "Pause in indecision" , "'Pause, dither (8)'" .)
'waver' is the definition.
(I know that waver can be written as falter)
This is all the clue.
(Other definitions for falter that I've seen before include "Hesitate, vacillate" , "Hesitate, begin to give way" , "Be hesitant" , "Hesitate, waver" , "Stumble, hesitate" .)