"Become level" is a term used to describe the act of reaching a state of evenness or balance, which suggests that its antonyms would be words that describe unevenness, imbalance or disorder. Antonyms for "become level" include words like tilt, uneven, crooked, unbalanced, slanted, wobbly, shaky, askew, lopsided, awry, and unstable. These terms describe situations where things are out of whack, either physically or metaphorically, and they can be used to refer to a wide range of situations, from objects that are not properly aligned, to relationships or situations that are fraught with tension or chaos. In contrast to becoming level, these antonyms suggest a state of disarray or instability.