v., -flat·ed, -flat·ing, -flates. v.tr.
- To release contained air or gas from.
- To collapse by releasing contained air or gas.
- To reduce or lessen the size or importance of: Losing the contest deflated my ego.
- Economics.
- To reduce the amount or availability of (currency or credit), effecting a decline in prices.
- To produce deflation in (an economy).
To be or become deflated: The balloon deflated slowly.
deflator de·fla'tor n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.