Sounds like your grammar checker is a bratty youth. Snazzy is certainly a fair word to describe clothing in my book but I would certainly think of it as dated. Although as I type this I am having a hard time coming up with a word that I would replace it with today. The closest I can think of is 'fly' or maybe 'glam'. I'm not that hip though. I'd say stick with snazzy and see if you can tune your grammar checker to a more agreeable attitude.
Sounds like your grammar checker should be throat-punched.
I like the word snazzy, but then I have used the word spinster in the last five years too, which really got a reaction from the 20 year old that had never heard of it before. She had to ask her Grandmother who said it was a word, but not one she had heard of in 60 years.
I think snazzy is a great word. I haven't heard that in a while and I'm gonna try to appropriately fit it into some conversation this month. I like words that were common in yesteryear but for some unknown reason have fallen to the wayside. I like using "huzzah!" as an exclamation and I like to refer to myself as, and prefer the company of, the hoi polloi, even if it is a term used by elitists for commoners as I much prefer the company of the working class. Hoi polloi by the way is a title of a fantastic Three Stooges short that I highly recommend.
"Study books and observe nature; if they do not agree, throw away the books." ~ William A. Albrecht
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