WordReference Random House Learner's Dictionary of American English © 2017
os•ten•ta•tion /ˌɑstɛnˈteɪʃən, -tən-/USA pronunciation   n. [uncountable]
  1. a false or overly grand display of wealth meant to impress others.

WordReference Random House Unabridged Dictionary of American English © 2017
os•ten•ta•tion  (os′ten tāshən, -tən-),USA pronunciation n. 
  1. pretentious or conspicuous show, as of wealth or importance;
    display intended to impress others.
  2. [Archaic.]the act of showing or exhibiting;
  • Latin ostentātiōn- (stem of ostentātiō), equivalent. to ostentāt(us) past participle of ostentāre to display, exhibit, frequentative of ostendere to present, display (equivalent. to os-, var of ob- ob- + ten(dere) to stretch + -t- frequentative suffix + -ātus -ate1) + -iōn- -ion
  • Middle French ostentation
  • late Middle English ostentacioun 1425–75
    • 1.See corresponding entry in Unabridged pretension, pretense. See  show. 

Collins Concise English Dictionary © HarperCollins Publishers::

ostentation /ˌɒstɛnˈteɪʃən/ n
  1. pretentious, showy, or vulgar display

'ostentation' also found in these entries:

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