To recover from illness or other incapacitation.(verb)
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Use "get better" in a sentence
"Leakers think they will get better treatment by the press."
"A few field-workers step onto the highway asphalt from the rubbly shoulder to get better purchase on their aim, then lob the lettuce heads at the opposite side."
"Certified Dynamic Movement Instructors teach clients how to elongate their bodies, strengthen neglected postural muscles, improve flexibility, move in a pain-free fashion, maximize muscle recruitment to get better workouts, and breathe more deeply and rhythmically."