Answer: falter

AnswerCrossword Clue
FALTER

Show uncertainty.

FALTER

Pause uncertainly

FALTER

Suffer a moment of weakness

FALTER
Bumble
FALTER
Slip
FALTERWeaken
FALTERVacillate
FALTERWaver
FALTERStumble.
FALTERStumble
FALTERHesitate.
FALTERHesitate
FALTERMove unsteadily
FALTERLose one's footing
FALTERShow hesitation
FALTERMiss a step
FALTERGive way