"affidavit". Listen to the audio pronunciation again. Having trouble hearing a pronunciation?This video shows you How to Pronounce Affidavit, pronunciation guide. A written declaration upon oath made before an authorized official. How to pronounce AFFIDAVIT. How to say AFFIDAVIT. The term is pronounced as "afuhDAYvit. " Breaking it down: "af" as in "after," "uh" as in "umbrella," "DAY" with emphasis, and "vit" rhymes with "fit." Affidavit means a written statement that you swear is true and that can be used as evidence in court. How to say affidavit in English?