adjective - showing a strong desire to achieve social or professional success, or to have a better standard of living
verb - to make a continuous, soft, low, and fast spinning sound, or to move while making such a sound
noun, British English - a short, sturdy post fixed in the ground to stop or guide vehicles or to mark an area
verb - to burn or to start burning, especially by reacting rapidly with oxygen and producing heat and often light
verb - to force something out of its usual or original position; to take the place of someone or something