Verb

To shake, quiver, or vibrate.

*

, title=(The Celebrity), chapter=4 , passage=Mr. Cooke at once began a tirade against the residents of Asquith for permitting a sandy and generally disgraceful condition of the roads. So roundly did he vituperate the inn management in particular, and with such a loud flow of words, that I trembled lest he should be heard on the veranda.}}

Verb

(en verb)

To waver or be unsteady.

* Wiseman

He found his legs falter .

(ambitransitive) To stammer; to utter with hesitation, or in a weak and trembling manner.

* Byron

And here he faltered forth his last farewell.

* Milton

With faltering speech and visage incomposed.

To fail in distinctness or regularity of exercise; said of the mind or of thought.

* I. Taylor

Here indeed the power of disinct conception of space and distance falters .

To stumble.

(figuratively) To lose faith or vigor; to doubt or abandon (a cause).

*

And remember, comrades, your resolution must never falter .

To hesitate in purpose or action.

* Shakespeare

Ere her native king / Shall falter under foul rebellion's arms.

To cleanse or sift, as barley.

(Halliwell)