Antonyms for the phrase "tipping over" include "upright," "stable," and "balanced." Something that is "upright" is standing straight and firm, not leaning or falling over. "Stable" describes something that is fixed and secure, not easily disturbed or tipped. "Balanced" refers to something that is evenly distributed and in a state of equilibrium, not leaning to one side or the other. Antonyms for "tipping over" are crucial in situations where stability is important, such as in construction or the transportation of delicate items, where the risk of tipping can lead to hazards and damages.