top the line (adjective) first-rate: highest quality
Sinonime: A number 1, A-1, bang-up,
best, best-quality,
excellent,
exceptional,
first-class,
great, highest-quality,
marvelous, of the first water, of the highest type,
outstanding,
premium,
super,
superb,
superior,
superlative,
supreme, top of the line, top-drawer,
top-notch,
unmatched, world-class