Based on the clue 'as an adjective it means very impressive as a noun...', what is the answer?

Based on the clue 'as an adjective it means dependent on an uncertain...', what is the answer? Based on the clue 'as an adjective it means easily broken as a noun i...', what is the answer? Based on the clue 'as an adjective it means neatly arranged as a noun...', what is the answer? Based on the clue 'as an adjective it means opulent as slang it means...', what is the answer? Based on the clue 'as an adjective its a synonym for precise as a ver...', what is the answer? Based on the clue 'as an adjective the name of this breed of horse ca...', what is the answer? Based on the clue 'as an adjective this 5 letter word can mean exorbi...', what is the answer? What is associated with: as an adjective this word can refer to a document drawn up in 1787 as a noun it means a health…