TOP-FLIGHT

(informal) excellent; first-rate; foremost. —Grad V Approved 1992 Glossary Upgrade

(informal) of the highest importance. They don't have more than a half a hundred really vital, top-flight data. - Methods of Education (25 Oct. 56) (informal) excellent; first-rate; foremost. But this is the third datum which is a key, top-flight senior datum that is most commonly overlooked. -Briefing of Review Auditors (14 Oct. 65) first-rate; foremost. (informal) excellent; first-rate; foremost.