This is the 12753rd most frequent Polish word.
niesłyszących
"Of the deaf" or "deaf people's" (genitive plural form).
Used as an adjective describing people who are hearing impaired to denote the target audience of the course.
Kurs języka migowego dla niesłyszących został otwarty.
The sign language course for the hearing impaired has been opened.
Used in the object position highlighting the group receiving assistance.
Pomagamy niesłyszących poprzez specjalne programy edukacyjne.
We help the hearing impaired through special educational programs.
Used as a description of a group of people present at an event.