not giving exact details or making something clear synonym inaccurate an imprecise definition imprecise information The witness's descriptions were too imprecise to be of any real value. opposite preciseExtra examples Intelligence tests are notoriously imprecise. She was rather imprecise about the cost of the trip. Many of these risks are a direct result of incomplete or imprecise information. The problems arise from an imprecise definition of terms. The witness’s descriptions were too imprecise to be of any real value.