The phrase "utter futility" means a complete and total lack of effectiveness or success. It refers to something that is completely pointless, with no chance of achieving a desired outcome. Full definition
It would throw all previous history into utter futility. (religion-online.org)
For 25 years and with utter futility (starting with «The Oil - Bust Panic,» the New Republic, February 1983), I have been advocating the cure: a U.S. energy tax as a way to curtail consumption and keep the money at home. (carbontax.org)
Frequently such persons become depressed with a sense of utter futility. (religion-online.org)