TREMBLING

shaky, shivering, trembling

(adjective) vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze; “a quaking bog”; “the quaking child asked for more”; “quivering leaves of a poplar tree”; “with shaking knees”; “seemed shaky on her feet”; “sparkling light from the shivering crystals of the chandelier”; “trembling hands”

shaking, shakiness, trembling, quiver, quivering, vibration, palpitation

(noun) a shaky motion; “the shaking of his fingers as he lit his pipe”

Source: WordNet® 3.1

Noun

trembling (plural tremblings)

a tremble

Verb

trembling

present participle of tremble

Source: Wiktionary

Trem"bling, a.

Definition: Shaking; tottering; quivering.

– Trem"bling*ly, adv. Trembling poplar (Bot.), the aspen.

TREMBLE

Trem"ble, v. i. [imp. & p. p. Trembled; p. pr. & vb. n. Trembling.] Etym: [F. trembler, fr. L. tremulus trembling, tremulous, fr. tremere to shake, tremble; akin to Gr. trimti. Cf. Tremulous, Tremor.]

1. To shake involuntarily, as with fear, cold, or weakness; to quake; to quiver; to shiver; to shudder; -- said of a person or an animal. I tremble still with fear. Shak. Frighted Turnus trembled as he spoke. Dryden.

2. To totter; to shake; -- said of a thing. The Mount of Sinai, whose gray top Shall tremble. Milton.

3. To quaver or shake, as sound; to be tremulous; as the voice trembles.

Trem"ble, n.

Definition: An involuntary shaking or quivering. I am all of a tremble when I think of it. W. Black.

Source: Webster’s Unabridged Dictionary 1913 Edition