Pronunciation: [mˈə͡ʊst əv ˈɔːl] (IPA) 
Most of all is a common phrase in English indicating something that is of greater importance than anything else. In terms of spelling, "most" is pronounced as [məʊst] and "all" is pronounced as [ɔːl]. The "o" sound in "most" is long and the "a" sound in "all" is pronounced as a broad vowel. It's important to note that this phrase is not hyphenated, as it is two separate words rather than a compound noun.
Most of all is an idiomatic phrase that is used to emphasize the highest degree or utmost importance of something. It denotes a primary or overriding aspect, preference, or concern. The phrase is used to highlight what is considered as the most significant or crucial element within a given context.
When used in a sentence, "most of all" emphasizes that the mentioned quality, characteristic, or attribute holds the highest priority or stands out above all others. It signifies that the specified aspect is of utmost importance in relation to surrounding factors.
For example, in the sentence "She values her family, career, and hobbies, but most of all, she cherishes her time with her children," the phrase "most of all" underlines that the individual's time with her children is of the greatest significance compared to any other aspect of her life.
"Most of all" can also be used to express a strong desire or longing for a particular outcome or result. It indicates a fervent and earnest wish that surpasses other wishes or aspirations.
In conclusion, "most of all" serves as a powerful way to emphasize the most crucial or dominant aspect within a given situation or desired outcome. It signifies the highest degree of importance or preference, highlighting what is considered as the foremost component.
