falter

Từ điển American Heritage Dictionary 4th

fal·ter (fôlʹtər)intr.v. fal·tered, fal·ter·ing, fal·ters
1. To be unsteady in purpose or action, as from loss of courage or confidence; waver. See Synonyms at hesitate.
2. To speak hesitatingly; stammer.
3.
a. To move ineptly or haltingly; stumble.
b. To operate or perform unsteadily or with a loss of effectiveness:
The automobile engine faltered.n.
1. Unsteadiness in speech or action.
2. A faltering sound. [Middle English falteren, to stagger, possibly from Old Norse faltrask, to be puzzled, hesitate.] falʹter·er n.falʹter·ing·ly adv.

• Từ đồng nghĩa / Synonyms:
  hesitation, waver, faltering, bumble, stutter, stammer, stumble