The phrase "not in a month of Sundays" is a colloquial expression that means something is highly unlikely to happen. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) transcription /nɒt ɪn ə mʌnθ əv sʌndez/. The first part of the phrase is spelled phonetically as "not" /nɒt/ while the second part is spelled "in a month of Sundays" /ɪn ə mʌnθ əv sʌndez/ with stress on the second syllable of "Sundays". Overall, the phrase is pronounced with stress on the word "month" and a final stress on "Sundays".
"Not in a month of Sundays" is an idiomatic expression that means something is highly unlikely or impossible to happen. This phrase is often used to emphasize just how unlikely a given event or outcome is, emphasizing the prolonged duration it would take for it to occur, specifically in reference to Sundays.
The phrase originated from the fact that Sundays are generally regarded as the day of rest or a day of leisure, typically associated with a break from normal activities. By stating that something will not occur "in a month of Sundays," it implies that even with an excessively long period of time, the event in question would still not take place.
The phrase is commonly used in spoken language to convey disbelief, incredulity, or a sense of certainty regarding the unlikelihood of a situation. It conveys a strong negative sentiment, suggesting that there is absolutely no chance or possibility of the indicated event happening. "Not in a month of Sundays" often serves as a hyperbolic or exaggerated statement to emphasize the speaker's conviction that the outcome is entirely impossible or extremely improbable.