1867 M. Arnold Divinity in 102 God's wisdom and God's goodness!—Ay, but fools Mis-define these till God knows them no more.
1870 Nov. 586 Most English dictionaries misdefine this word, which has two different significations.
1992 9 Mar. 64/3 One way taxpayers often trip up is by misdefining ‘taxable’ income.