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tr. & intr.v. loud·ened, loud·en·ing, loud·ens
To make or become louder.
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.
to make or become louder
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. to make loud.v.i.
2. to become loud.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: loudened
Collins English Verb Tables © HarperCollins Publishers 2011
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|Verb||1.||louden - become louder; "The room loudened considerably"|
louden - cause to become loud
change intensity - increase or decrease in intensity
|2.||louden - cause to become loud|
alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
louden - become louder; "The room loudened considerably"
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