Dictionary definition · falter
noun
- the act of pausing uncertainly"there was a hesitation in his speech"
verb
- be unsure or weak"Their enthusiasm is faltering"
- move hesitatingly, as if about to give way
- walk unsteadily, tripping repeatedly"The drunk man stumbled about"
- speak haltingly"The speaker faltered when he saw his opponent enter the room"
Source: Open English WordNet (CC BY 4.0).