not capable of being precisely or readily described; not easily put into words; "an indefinable feeling of terror"; "an abstract concept that seems indefinable"
defying expression or description; "indefinable yearnings"; "indescribable beauty"; "ineffable ecstasy"; "inexpressible anguish"; "unspeakable happiness"; "unutterable contempt"; "a thing of untellable splendor"
an attainment that is successful; "his success in the marathon was unexpected"; "his new play was a great success"
an event that accomplishes its intended purpose; "let's call heads a success and tails a failure"; "the election was a remarkable success for Republicans"
a state of prosperity or fame; "he is enjoying great success"; "he does not consider wealth synonymous with success"
a medium for the expression or achievement of something; "his editorials provided a vehicle for his political views"; "a congregation is a vehicle of group identity"; "the play was just a vehicle to display her talents"
a substance that facilitates the use of a drug or pigment or other material that is mixed with it
(pharmacology) a book containing a compilation of pharmaceutical products with their formulas and methods of preparation; "postexposure prophylaxis is an integral part of the pharmacopeia in preventing severe disease after acute infections"