What is the meaning of faltering?

noun

• The act of pausing uncertainly.
  • usage: "there was a hesitation in his speech"
  • synonyms: hesitation, waver, falter

verb

• Be unsure or weak.
  • usage: "Their enthusiasm is faltering"
  • synonyms: falter, waver
• Move hesitatingly, as if about to give way.
  • synonyms: falter, waver
• Walk unsteadily.
  • usage: "The drunk man stumbled about"
  • synonyms: stumble, falter, bumble
• Speak haltingly.
  • usage: "The speaker faltered when he saw his opponent enter the room"
  • synonyms: bumble, stutter, stammer, falter

adjective

• Unsteady in speech or action. .