What are the opposite words for over-abundant?

The term "over-abundant" implies an excess of something, but sometimes it's necessary to express the opposite. Some antonyms for "over-abundant" might include inadequate, scarce, or insufficient. These terms denote a lack of something, rather than an excess. For example, an "inadequate" amount of resources may be insufficient to meet a particular need, while a "scarce" supply could be insufficient to meet the demand. Expressing the opposite of "over-abundant" can be useful when prioritizing or assessing resources, as it can help to identify areas where there may be gaps or deficiencies that need to be addressed or improved.