I AM DISAPPOINTED in French
To say I AM DISAPPOINTED in French, use "je suis déçu(e)
To say "It's disappointing", use "C'est décevant" Check out the two apps I recommend to help you learn French (I use them myself to learn Spanish). Please note that if you take a subscription, I will receive a small commission at no charge to you:
Lingopie (offer a free 7-day trial) https://fas.st/t/uHG77KsH
FluentU (offer a free 14-day trial) https://bit.ly/4eMjvXj