


No, 'funner' is not considered grammatically correct in standard English. The proper comparative form of the adjective 'fun' is 'more fun'.
You should only use 'funner' in informal, conversational contexts. In formal writing or speech, it is best to use the standard comparative form 'more fun'.
Context matters in English because the meaning of words can vary based on the surrounding words, phrases, or situation. Words often have multiple meanings, and the intended sense becomes clear through the context in which they are used.

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