Antonyms for the phrase "creep up" can be used to describe a sudden or immediate action or movement. The antonyms for "creep up" are words like soar, rocket, rise, shoot up, surge, leap, jump, jolt, or bolt. These verbs indicate speed, swiftness, and suddenness in movement or action. For example, "The stocks soared after the announcement of the merger." or "The prices rocketed after the market opened." Antonyms are important in writing and speech as they help to provide context and variety in descriptions, which can help to make the language more interesting and engaging for readers or listeners.
