Antonyms of adj second-rate

1 sense of second-rate

Sense 1
mediocre, second-rate -- (moderate to inferior in quality; "they improved the quality from mediocre to above average")

INDIRECT (VIA inferior) -> superior -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Similarity of adj second-rate

1 sense of second-rate

Sense 1
mediocre, second-rate -- (moderate to inferior in quality; "they improved the quality from mediocre to above average")
       => inferior (vs. superior) -- (of low or inferior quality)