Correct spelling for the English word "un extremer" is [ˈʌn ɛkstɹˈɛmə], [ˈʌn ɛkstɹˈɛmə], [ˈʌ_n ɛ_k_s_t_ɹ_ˈɛ_m_ə] (IPA phonetic alphabet).
"Un extremer" is a term that does not have an official dictionary definition as it is not a recognized word. It appears to be a combination of the word "un" and the verb "extremer," which does not exist in the English language.
In English, the prefix "un-" is commonly used to indicate the opposite or absence of a particular quality or state. For example, "unhappy" means not happy, "unusual" means not usual, and so on. However, when appended to the word "extremer," it does not create a coherent meaning within the context of the English language.
If we were to explore possibilities for the meaning of "un extremer" based on individual word components, it could suggest a lack of extreme behavior or a deviation from extremity. However, it is important to note that "un extremer" is not recognized terminology in English and lacks an established definition.
It's possible that "un extremer" may be a term coined in a specific context, such as in a specialized field or jargon, or it could be a neologism created by combining words in a unique way. Without more context or information, it is difficult to provide a specific definition for this term.