What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
See definition of profitless
1‘further argument would be profitless’
pointless, useless, to no purpose, no use, of no use, unprofitable, futile, vain, in vain, to no avail, to no effect, fruitless, senseless, unproductive, purposeless, idle, worthless, valueless, ineffective, unavailing, unrewarding, thankless
archaic bootless