falter
verbUK /ˈfɔːltə/
US /ˈfɔːltər/
To become weaker or stop working properly.
Her voice began to falter as she spoke.
RELATED WORDS
OTHER MEANINGS
2. To move or walk in an unsteady way.
He faltered down the stairs after the long run.
3. To hesitate or lose confidence before doing something.
She never faltered in her decision to help.
4. To speak in a broken or hesitant way.
The nervous student faltered during the presentation.