falter
🇺🇸
/ˈfɔːltər/
🇬🇧
/ˈfɔːltə(r)/
to lose strength or effectiveness
The economy shows no signs of faltering.
to speak with uncertainty or hesitation
His voice faltered as he began his speech.
to walk unsteadily or with hesitation
He never faltered in his commitment to the party.