What are the opposite words for over flow?

Antonyms are words that have opposite meanings. The word "over flow" refers to a situation where there is an excess of something. The antonyms for "over flow" would be words that describe a situation where there is not enough of something. These antonyms could include words like "underflow," "deficiency," "shortfall," "inadequate," or "scarcity." These words describe a situation where there is a lack of something, rather than an excess of it. In the context of a river, the antonym for "over flow" would be "underflow," which refers to a situation where the river level is too low.