The antonyms for the phrase "blow up out of proportion" are "downplay," "understate," and "minimize." When one downplays or understates a situation, they are intentionally making it seem less important than it actually is. This can be done to avoid unnecessary attention or to diminish the impact of a negative occurrence. On the other hand, minimizing involves acknowledging the situation but conveying that it is not as severe as it may seem. Using these antonyms can help to maintain a balanced perspective and prevent unnecessary drama. It is important to acknowledge situations truthfully and respond accordingly, without succumbing to exaggeration or understatement.