the world > action or operation > harm or detriment > disadvantage > uselessness > uselessness, vanity, or futility > be of no avail to [verb (transitive)] > expend (effort, time, or speech) in vain > bestow on unappreciative recipients (1)
waste1751
In unfavourable sense: To spend, consume, employ uselessly or without adequate result. (Now the most… To bestow on unappreciative recipients.