LBO en · NOUN Meanings (abbreviation, alt-of, initialism) Initialism of leveraged buyout. alt of leveraged buyout Whether LBOs perform poorly because of debt, business strategy, or competition from Amazon.com Inc., research shows they fare worse than their public counterparts. 2019 October 3, “Everything Is Private Equity Now”, in Bloomberg Businessweek: Forms SpellingFeaturesLabelsSource LBOs Number=Plur lexicographic