Astoundments are events or situations that cause someone to be amazed, surprised or shocked. Antonyms of astoundments could include normalcy, predictability, and routine. These words suggest regularity, repetition and a lack of surprise. Other antonyms could be ordinariness or mundaneness, meaning that the situation or event is commonplace and unremarkable. Conversely, antonyms of astoundments may also include disappointment, boredom, or apathy, indicating that the anticipated excitement or astonishment has not been fulfilled. Overall, the antonyms of astoundment indicate a lack of surprise or excitement, either due to familiarity or underwhelming experiences.