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". Listen to the audio pronunciation again. Having trouble hearing a pronunciation? Affidavit definition: . See examples of AFFIDAVIT used in a sentence. I've compiled a list of the 100 most commonly mispronounced words in English, and show how to say them correctly, so you can start speaking English confidently! This video shows you How to Pronounce Affidavit, pronunciation guide.