Definition of "trembling" []

• A tremble (noun)
• Present participle of tremble. (verb)

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• "I crawled to the lip and looked, watching the abyss take on immensity in the growing light and trembling from the fear of height that was upon me."
• "Beyond, crouching by a bush, a rabbit looked across at him in trembling hesitancy."
• "This effect was heightened by the delicately aquiline nose with its thin trembling nostrils, and by the general air of eagle wildness which seemed to characterize not only the face but the creature herself."