rhetoricznym
Rhetoricznym is a nonstandard spelling encountered in Polish texts for the instrumental singular form of the adjective meaning “rhetorical.” The standard Polish form is retorycznym. The term retoryczny (from retoryka) describes things related to rhetoric, the art of persuasive speech. The etymology traces from Greek rhētōrikós through Latin rhetorica into Polish, reflecting the historical influence of classical rhetoric on language studies.
In usage, retoryczny describes various aspects of rhetoric, such as a rhetorical device, style, or language.
Notes for clarity: if you encounter rhetoricznym, it is typically a spelling variation influenced by English
See also: retoryka, retoryczny, pytanie retoryczne, styl retoryczny, język retoryczny.