"At the least" is a phrase that is commonly used to convey the minimum requirement or expectation of a certain situation or task. It can also mean that a certain amount, irrespective of how small it may be, is required or expected. Synonyms for the phrase "at the least" include "at minimum," "at the very least," "at least," and "minimum." Other words that could be used in place of "at the least" include "barely," "scarcely," "hardly," "just," or "only." These words help to add emphasis and convey that something is required, regardless of how small it may seem.