Meanings
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1
adj
feeling or showing no doubt; completely confident or unquestioning
His undoubting acceptance of the claim left him unprepared for serious objections.
Thesaurus
Etymology
Formed from un-, 'not,' + doubting, the present participle of doubt. Doubt came through Old French douter from Latin dubitare, 'waver in opinion.' Undoubting may praise firm confidence or criticize an unquestioning absence of skepticism.