Also found in: Acronyms.
[Latin submissus, past participle of submittere, to set under; see submit.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. docile; submissive
2. soft in tone
[C16: from Latin submissus lowered, gentle, from submittere to reduce, from sub- + mittere to send]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014