Rush/rʌʃ/ Definition 1 of 5Pro Tip 1/3Sudden Situations Used to describe unexpected, hurried actions due to unforeseen circumstances. The rush to escape the building was intense. Pro Tip 2/3Peak Times Commonly associated with busy periods, especially in urban settings. I avoid traveling during the morning rush. Pro Tip 3/3Emotional Atmosphere Can imply a hectic or chaotic vibe in a group or environment. The rush in the mall before Christmas is overwhelming.