Pronunciation: [dˈʌnə͡ʊ] (IPA) 
The word "DUNNO" is a colloquial shorthand for "don't know" that is commonly used in informal writing and speech. Its spelling reflects the pronunciation of the phrase with a shortened vowel sound and dropped T. In IPA phonetic transcription, it can be written as /ˈdʌnəʊ/ or /ˈdʌnoʊ/. This informal expression is frequently used as a response to a question when one is unsure of the answer or cannot remember the information being sought.
Dunno is an informal contraction for the phrase "I don't know." It is commonly used in spoken language, particularly in casual and relaxed conversations, and within texting or instant messaging conversations. This term is often employed as a quick and easy way to express uncertainty or lack of knowledge without having to provide a detailed explanation or response.
Dunno is typically utilized in situations where the speaker is unsure about a topic, answer, or outcome and wants to convey their lack of information or understanding. It serves as a convenient shorthand alternative to saying the complete phrase "I don't know," saving time and effort in communication.
The usage of dunno often includes the contraction of the verbs "do" and "not," followed by the word "know." It is commonly spelled in all lowercase letters, usually without any punctuation marks or additional emphasis. It can also be written as "duno" or "dunnoe" in some instances, although these variations are less common.
While dunno is not typically deemed appropriate for formal or professional contexts, it is widely accepted and understood in informal settings, particularly among friends, family members, and peers. Its usage helps to add a casual and relaxed tone to conversations, reflecting a familiarity and closeness between speakers.
