Not much of a… Definition 1 of 2Pro Tip 1/3Negative Implication Suggests a lack of skill or quality without being harsh; can be a gentle criticism. She's not much of a dancer, but she enjoys it. Pro Tip 2/3Sarcasm Potential Can be used sarcastically to emphasize someone's incompetence in a specific area. With that performance, he's not much of a magician, is he? Pro Tip 3/3Colloquial Use Common in casual conversation rather than formal writing or speeches. She's not much of a talker, but she texts a lot.