perfect
per-fect
adjective
Completely without any faults or flaws; of the highest possible standard.
"The weather was perfect for a picnic."
verb
To make something completely free from faults or as good as possible.
"She spent years perfecting her technique."
Thesaurus
Synonyms: hone, exact, down, complete, cold, undefiled, mastered, immaculate, incorrupted, idealized, unflawed, down pat
Antonyms: imperfect