unadvertised

un·ad·ver·tised

 (ŭn-ăd′vûr-tīzd′)
adj.
Not having been advertised to the public: an unadvertised sale.
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.

unadvertised

(ˌʌnˈædvətaɪzd)
adj
not advertised or announced publicly
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
A recruiter's job is to network with as many industry professionals as possible, which allows him or her to learn about many unadvertised opportunities.
An unadvertised practice match against the West Indies on Hampshire's Nursery Ground attracted under 30 well-behaved fans on Wednesday.
There are (https://www.ibtimes.com/wwe-rumors-john-cena-wrestlemania-match-secret-lars-sullivan-interference-possible-2781776) rumors that Cena will have an unadvertised match at WrestleMania 35.
Some camps offer promotions year-round and discounts may be unadvertised. So if you're too late for this summer, plan ahead for summer 2020.
The 25,000-square-foot facility adjoining the Des Plaines River has been fine-tuning operations since an unadvertised "soft opening" Sept.
Browsing the seasonal programs of Seoul's classical music venues, one notices immediately that pansori is largely unadvertised; European ballet and opera dominate the pages instead.
Children and wards of public officials and politicians were recruited to fill the unadvertised vacancies at CBN and some government agencies.
Less successful was a soupy aubergine and tofu hotpot, containing unadvertised potatoes.
Political opponents questioned him after two unadvertised jobs within his party were taken up by Ms Campion last year, and over whether he sought a gift of free housing from a businessman.
Summary: TEHRAN (FNA)- Norwegian defense officials were surprised to learn of one unadvertised feature in new F-35 fighter jets they have recently received from US company Lockheed Martin that the pricey plane relays sensitive data back to its US manufacturer.
In sectors as diverse as farming and automotive, from commuters to hardpressed weekly shoppers and in both urban and rural Wales, the unadvertised consequences of Brexit are beginning to bite.