Definition of rectitude noun from the Oxford Advanced Learner's Dictionary

 

rectitude

 noun
noun
BrE BrE//ˈrektɪtjuːd//
 
; NAmE NAmE//ˈrektɪtuːd//
 
[uncountable](formal) Moral, Honest
 
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the quality of thinking or behaving in a correct and honest way synonym uprightness She is a model of rectitude. Most of them led lives of selfless moral rectitude. See related entries: Moral, Honest Word Origin late Middle English (denoting straightness): from Old French, from late Latin rectitudo, from Latin rectus ‘right, straight’.
See the Oxford Advanced American Dictionary entry: rectitude