unadvertised

the restaurant offered an unadvertised lunch special today.

we found an unadvertised deal on flights to hawaii.

the store had several unadvertised items on clearance.

he mentioned an unadvertised feature of the software.

the hotel provided an unadvertised upgrade to a suite.

there were unadvertised benefits to joining the program.

the company ran an unadvertised promotion online.

she discovered an unadvertised path through the forest.

the artist showcased unadvertised works at the gallery.

they enjoyed an unadvertised view from the rooftop terrace.

the band played an unadvertised set at the local bar.