Antonyms of adj top-flight
1 sense of top-flight
Sense 1
top-flight, top-hole, topping -- (excellent; best possible)
INDIRECT (VIA superior) -> inferior -- (of low or inferior quality)
Similarity of adj top-flight
1 sense of top-flight
Sense 1
top-flight, top-hole, topping -- (excellent; best possible)
=> superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")