All derivate antonyms

adj derivate

• chief — The chief of an organization is the person who is in charge of it.
• first-class — of the highest or best class or quality: a first-class movie.
• first-rate — excellent; superb.
• primary — first or highest in rank or importance; chief; principal: his primary goals in life.
• important — of much or great significance or consequence: an important event in world history.
• necessary — being essential, indispensable, or requisite: a necessary part of the motor.
• superior — higher in station, rank, degree, importance, etc.: a superior officer.
• causative — Causative factors are ones which are responsible for causing something.
• source — any thing or place from which something comes, arises, or is obtained; origin: Which foods are sources of calcium?