Live"long` (?), a. [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.
© Webster 1913.