footnote UK /ˈfʊtˌnəʊt/US /ˈfʊtˌnoʊt/noun 3verb 1forms 3 noun3 •A short piece of text, often numbered, placed at the bottom of a printed page, that adds a comment, citation, reference etc, to a designated part of the main text. •An event of lesser importance than some larger event to which it is related.If we are another footnote to Plato, Plato was himself already a footnote to still earlier footnotes, in an endless chain of footnotes to footnotes — 2012 •A qualification to the import of something. verb1 •To add footnotes to a text.She does everything she does with a kind of terrifying thoroughness, footnoted and bibliographied, as it were, down to the smallest detail. — 1979 formsfootnoted · footnoting · footnotes