The phrase "brought to screeching halt" is typically used to describe a sudden stop or interruption. Antonyms for this phrase could include "gradual stop," "continuation," or "smooth transition." A gradual stop would imply a slow and steady decrease in speed or activity, rather than a sudden jolt. Continuation suggests that activities or processes are continuing uninterrupted. A smooth transition implies a seamless shift from one state to another, without any abrupt halts or unexpected changes. While "brought to screeching halt" is often used in negative or unexpected situations, its antonyms convey a sense of calm and orderliness.