Ranked by relevance and common usage.
Keep "funner" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "funner" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "funner", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "funner" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
3 total sentences available.
1979, Juvenile Justice and Delinquency Prevention in Wyoming, United States. Congress. Senate. Committee on the Judiciary. Subcommittee to Investigate Juvenile Delinquency "I wish I would have played basketball when I was out. It's a lot more funner."
Source: wiktionary
1992, Ana Malinow Rajkovic, Manual for (Relatively) Painless Medical Spanish http://books.google.com/books?vid=ISBN029275146X&id=6MVFwbhxaT0C&pg=PP15&lpg=PP15&dq=funner&sig=d5BINTBWGlKwMJu78EG3p1TSGWg Sounds like a great vacation, doesn’t it? It would be much funner, undoubtedly, to spend four weeks learning intensive Spanish in Guadalajara... but what do you expect for this price?
Source: wiktionary
2000, Julia Bourland, The Go-Girl Guide http://books.google.com/books?vid=ISBN0809224763&id=MMkjJFEnojgC&pg=PA300&lpg=PA300&dq=funner&sig=4u7kb12DOAmU8tPlh9vX_QjE2yA Every wardrobe needs an all-purpose cocktail dress, but these are often funner if you can find a retro party dress in flawless shape at a vintage clothing store.
Source: wiktionary
Closest matches include more amusing, more enjoyable, more entertaining.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.