IPA: /ˈkrɛdʒ.əl.əs.nəs/
KK: /ˈkrɛdʒələsnəs/
The quality of being too willing to believe things without enough evidence; gullibility.
Her credulousness made her an easy target for scams.
Credulousness → It is formed from "credulus" (from Latin, meaning easily convinced or trusting) and the suffix "-ness" (meaning the state or quality of). The word "credulousness" refers to the quality of being easily deceived or too ready to believe.
Think of someone who is 'easily convinced' ('credulus') and the '-ness' indicating a state. This helps you remember that credulousness means the quality of being too trusting.