Oxymoron definition and real examples in authentic context from the book 601 Words You Need to Know to Pass Your Exam as a literary term or figure of speech in literature for advanced learners of English.
/ˌɒk.sɪˈmɔː.rɒn/ (noun)
Oxymoron definition
a figure of speech in literature that expresses someone or something with contradictory words or phrases in juxtaposition, e.g. brutal kindness
Example
An oxymoron is a figure of speech that juxtaposes concepts with opposing meanings within a word or phrase that creates an ostensible self-contradiction. An oxymoron can be used as a rhetorical device to illustrate a rhetorical point or to reveal a paradox.
Source of example: https://en.wikipedia.org/