2 definitions found From WordNet (r) 2.0 [wn]: livelong adjective: (of time) constituting the full extent or duration; "all the livelong day" noun: perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers [syn: {orpine}, {orpin}, {live-forever}, {Sedum telephium}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Livelong \Live"long'\, adjective [For lifelong. Cf. {Lifelong}.] 1. Whole; entire; long in passing; -- used of time, as day or night, in adverbial phrases, and usually with a sense of tediousness. The obscure bird Clamored the livelong night. --Shak. How could she sit the livelong day, Yet never ask us once to play? --Swift. 2. Lasting; durable. [Obs.] Thou hast built thyself a livelong monument. --Milton.

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