1. phrasal verb If a changing number or amount levels off or levels out, it stops increasing or decreasing at such a fast speed. [V P] ⇒ The figures show evidence that murders in the nation's capital are beginning to level off. [V P prep] ⇒ Inflation is finally levelling out at around 11% a month. 2. phrasal verb → level If an aircraft levels off or levels out, it travels horizontally after having been travelling in an upwards or downwards direction. [V P] ⇒ The aircraft levelled out at about 30,000 feet.
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