louden

loud·en  (loudn)

tr. & intr.v. loud·ened, loud·en·ing, loud·ens

To make or become louder.

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louden [ˈlaʊd^ən]

vb

to make or become louder

Thesaurus

Verb	1.	louden - become louder; "The room loudened considerably" louden - cause to become loud change intensity - increase or decrease in intensity pipe down, quiesce, quiet, quiet down, quieten, hush - become quiet or quieter; "The audience fell silent when the speaker entered"
	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" silence, still, hush, hush up, quieten, shut up - cause to be quiet or not talk; "Please silence the children in the church!"