v. in·flat·ed, in·flat·ing, in·flates
1. To fill (something) with air or gas so as to make it swell: inflated the balloon with helium.
a. To fill with pride; aggrandize: positive reviews that inflated the actor's ego.
b. To represent as greater or more important than is in fact the case: inflated the box office receipts to mislead the investors. See Synonyms at exaggerate.
3. To cause (a currency or economy) to undergo inflation.
To become inflated.
[Middle English inflaten, from Latin īnflāre, īnflāt- : in-, in; see IN-2 + flāre, to blow; see bhlē- in the Appendix of Indo-European roots.]
in·flator, in·flater n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.