Elicit or draw out something from someone. For example, I can't get a straight answer out of him, or Getting a contribution out of her is like pulling teeth. [ First half of 1600s ]
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Get rid of something, remove, as in Get these cats out of the house, or I can't get this melody out of my head. Also see out of one's system
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Extract from, obtain from. For example, You can get a lot of juice out of these oranges, or She got little or nothing out of this investment. It is also put as get the most out of, meaning “use to the greatest advantage,” as in He gets the most out of his staff. [ Second half of 1600s ]