—v.t. 1. to pay out, disburse, or expend; dispose of (money, wealth, resources, etc.): resisting the temptation to spend one's money. 2. to employ (labor, thought, words, time, etc.), as on some object or in some proceeding: Don't spend much time on it. 3. to pass (time) in a particular manner, place, etc.: We spent a few days in Baltimore. 4. to use up, consume, or exhaust: The storm had spent its fury. 5. to give (one's blood, life, etc.) for some cause.
—v.i. 1. to spend money, energy, time, etc.
2. Obs.to be consumed or exhausted.