ˌwell-ˈkept adjective

1. a well-kept building or garden is very well cared for and looks neat and clean

2. a well-kept secret is known only to a few people

[TahlilGaran] Dictionary of Contemporary English ▲

tidy British English a place, room etc that is tidy looks nice because everything has been arranged and put in the right place:
a tidy desk
I want to leave the place clean and tidy before we go.
neat use this about things that are carefully arranged in a way that is nice to look at:
a neat pile of towels
The room was neat and tidy.
immaculate /ɪˈmækjələt, ɪˈmækjʊlət/ a place or thing that is immaculate is perfectly clean and neat – use this to emphasize how clean something looks:
Our house was always immaculate.
well-kept a well-kept building or garden is very well cared for and looks neat and clean:
a large house on well-kept grounds
orderly arranged or organized in a sensible or neat way:
The room was orderly and uncluttered.

[TahlilGaran] English Thesaurus ▲