Counter-poise means a balance or a stabilizing force. Its antonyms are imbalance, instability, and disequilibrium. Imbalance means a lack of balance and can refer to anything that is not evenly distributed. Instability means a lack of stability, and can refer to a situation that is unpredictable or unstable. Disequilibrium means a lack of balance or lack of stability and can be used to describe a situation where things are out of balance or order. These antonyms can often be used in contrast to counter-poise to describe situations that are not well balanced or stable.