* Informal: "Haha" is considered an informal expression of laughter. Dictionaries prioritize formal language and standard usage.
* Phonetic Representation: "Haha" is a phonetic representation of laughter, not a true word with a defined meaning.
However, you might find "haha" in:
* Specialized Dictionaries: Some dictionaries focusing on slang, internet language, or informal communication might include it.
* Online Dictionaries: Online dictionaries may be more likely to include informal terms like "haha" due to their focus on contemporary usage.
Ultimately, the inclusion of "haha" depends on the dictionary's scope and purpose.