All high-grade synonyms

adj high-grade

• state-of-the-art — the latest and most sophisticated or advanced stage of a technology, art, or science.
• top-of-the-line — being the best and usually the most expensive of its kind: The company previewed its top-of-the-line carpeting.
• capital — Capital is a large sum of money which you use to start a business, or which you invest in order to make more money.
• cardinal — A cardinal is a high-ranking priest in the Catholic church.
• chief — The chief of an organization is the person who is in charge of it.
• crackerjack — Someone or something that is crackerjack is excellent or of very high quality.
• dominant — ruling, governing, or controlling; having or exerting authority or influence: dominant in the chain of command.
• first — being before all others with respect to time, order, rank, importance, etc., used as the ordinal number of one: the first edition; the first vice president.
• first-class — of the highest or best class or quality: a first-class movie.
• heavy — of great weight; hard to lift or carry: a heavy load.
• highest — having a great or considerable extent or reach upward or vertically; lofty; tall: a high wall.
• hot — having or giving off heat; having a high temperature: a hot fire; hot coffee.
• leading — made of or containing lead: a lead pipe; a lead compound.
• main — chief in size, extent, or importance; principal; leading: the company's main office; the main features of a plan.
• nice — pleasing; agreeable; delightful: a nice visit.
• number one — oneself, especially one's own well-being or interests: to look out for number one.
• paramount — chief in importance or impact; supreme; preeminent: a point of paramount significance.
• select — to choose in preference to another or others; pick out.
• stellar — of or relating to the stars; consisting of stars.
• superior — higher in station, rank, degree, importance, etc.: a superior officer.
• top — Technical/Office Protocol
• tough — strong and durable; not easily broken or cut.
• world — the earth or globe, considered as a planet.
• fab — fabulous (def 2).
• greatest — unusually or comparatively large in size or dimensions: A great fire destroyed nearly half the city.
• primo — the part of a piano duet played on the upper half of the keyboard.