General opposites:
* Humbled: This implies a feeling of being modest and recognizing one's limitations.
* Ashamed: This suggests a feeling of shame or guilt for something you have done.
* Embarrassed: This indicates a feeling of awkwardness or self-consciousness.
* Self-conscious: This refers to feeling nervous or unsure about yourself.
* Dejected: This describes a feeling of sadness or discouragement.
More specific opposites:
* Humiliated: This implies a feeling of extreme shame or embarrassment.
* Self-deprecating: This means to make fun of oneself or downplay one's achievements.
* Unworthy: This suggests a feeling that you don't deserve something or are not good enough.
* Indifferent: This describes a lack of interest or concern.
* Arrogant: This is the opposite of "humble," but it implies a sense of superiority and disdain for others.
The best opposite for "proud" will depend on the specific situation and the intended meaning.