keep under


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Related to keep under: keep up, keep it down

keep under

vb
1. to remain or cause to remain below (a surface)
2. (tr, adverb) to cause to remain unconscious
3. (tr, adverb) to hold in submission
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014