Final answer:
A synonym for Chagrin is Dismay. Humility is an antonym of both Chagrin and Dismay. Success is an antonym of Failure.
Step-by-step explanation:
A synonym for Chagrin is Dismay. Chagrin and Dismay both refer to a feeling of disappointment or embarrassment. For example, if a student receives a low grade on a test, they might feel chagrin or dismay.
On the other hand, Humility is an antonym of both Chagrin and Dismay. Humility refers to a modest or low view of oneself. Success is an antonym of Failure, with success meaning the achievement of a goal or the opposite of failure, which is the lack of success.