Well-loved = old people who maintained but did not update or improve. Often used before the words "as-is"...connotes old carpet or flooring in need of refinishing, old kitchen, 20 year old appliances that work still work well, etc.

Well-loved usually means a long time owner has taken very good care of the home but not extensively renovated.

I think you have to go look at the place to know for sure since could mean different things. For our somewhat recently renovated condo, our agent suggested "lovingly cared for". I think because we did most of the improvements for our enjoyment abt. 3 yrs ago - so not right before listing just for resale, and so there is some wear, but everything is still in very good shape and we paid good $ to make sure it was done right. The agent in your case could be trying to convey something similar, or could be something else. Go look.

the worst is charming aka small as fuck

For me, well loved means a few different things rolled into one. It means that you won't go in and find builder white walls, standard fixtures and builder grade everything. It means that they spent time in the property, made changes, and used the place. As a consequence, the property is likely to be slightly more worn and any updates you should be careful to have reviewed and inspected because many times those updates were DIY projects by the homeowners and may or may not be done well. Also most items in the house are likely to be older and not updated as recently. Changed, yes. Recently, no (or the realtor would have listed things like "new flooring", "updated kitchen", etc). Good and bad to it. Some of the things that I've seen in properties that are "well loved" include built-ins, custom designed spaces (especially for awkward areas), DIY'ed bathroom repairs, rooms that are functionally used for something other than what they were originally designed for, unusual wall color choices and unusual storage spaces.

Remember that realtors are not wordsmiths. Often painfully so.

well loved maybe mean taken care of? not abused?

I could take that to mean a couple of things. It could be that the owners took care of all those minor repairs that come up. They didn't let small problems turn into big ones.

It could also be that they put their special decorator touch and made it their space. It could also mean worn.

Bottom line--go see it if it's in your price range and in the area you're looking at.

I think that when you're actually looking at it in real life, as opposed to in photos, you're going to see a lot of wear & tear. Like paint chipped on the baseboards and stains on the carpets. There's a lot of little things that won't show up in photos.

The first words in one of the real estate descriptions I saw today were, "Well loved." What? Does that mean it's junked up? Worn down? My kids' stuffed animals are well loved and they are kind of gross! Is that what I should take away from this description? The pictures are ok. The carpets do need to be replaced but the kitchen looks fairly new (appliances and counter tops at least), yard is nice. What's up?