n.the quality of having no practical use

同義詞：inutilityunusefulness

USELESSNESS
Uselessness
Uselessness
The Uselessness of Public Use
Uselessness of anti-actin antibody in celiac disease screening
Uselessness of ARFIMA Model in Forecasting Chinese Stock Market
Meaning and Uselessness: How to Think About Derogatory Words
On the Uselessness of Men - Comparison of Sexual and Asexual Reproduction
Uselessness and indirect negative effects of an insecticide on rice field invertebrates
The Unfortunate Uselessness of Most 'State of the Art' Academic Monetary Economics
Promoting Scholarship that Matters: The Uselessness of Useful Research and the Usefulness of Useless Research
Alcohol metabolism in Drosophila melanogaster: uselessness of the most active aldehyde oxidase produced by the aldox locus.
Buerger's disease: cigarette smoker disease may always be cured by medical therapy alone. Uselessness of operative treatment.