Antonyms for the phrase "pack em in" are words that indicate spreading out, giving space, or creating a comfortable distance. Words like "spread out," "space out," "scatter," "disperse", and "separate" are examples of such antonyms. These words refer to actions that impact the distribution or placement of objects, individuals, or crowds. Consequently, antonyms for "pack em in" are useful in situations where movement, expansion, or ventilation is necessary or preferred. For instance, a restaurant owner might use one of these words to instruct the seating arrangement for customers, to ensure social distancing during a pandemic.