immaculately
Definitions
In a perfectly clean, neat, or tidy manner.
In a way that is free from flaws or errors; perfectly.
Examples
The bride looked immaculately dressed in her custom-made silk gown.
He kept his vintage car immaculately clean, polishing it every single weekend.
Synonyms
spotlessly flawlessly perfectly pristinely faultlessly cleanly neatly
Antonyms
filthily sloppily messily imperfectly dirtily untidily carelessly