To spend (time, speech, labour) fruitlessly or unprofitably; to waste. Obsolete.

To spend in vain or to no purpose, to waste: = lose, v.1 6.

In unfavourable sense: To spend, consume, employ uselessly or without adequate result. (Now the most… To employ, put forth (energy, effort…

transitive. = waste, v. in various senses; to lay waste; to use up, exhaust; to render emaciated or feeble; to spend wastefully.