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 definition: . See examples of AFFIDAVIT used in a sentence. How to pronounce AFFIDAVIT. How to say AFFIDAVIT. This video shows you How to Pronounce Affidavit, pronunciation guide. General Affidavits are written statements of fact used to support your case or verify facts that are sworn to be true in front of a notary public. "affidavit". Listen to the audio pronunciation again. Having trouble hearing a pronunciation?