Answer:
Adjective:
of first importance; main
of the best possible quality; excellent.
(of a number) evenly divisible only by itself and one
Noun:
a state or time of greatest strength, vigor, or success in a person's life
Answer:
The correct answer is "The variations on the design are very infinite".
Explanation:
The adjective 'infinite' is already an extreme qualifier and it expresses the importance of its meaning by itself. The use of 'very' before it would be a hyperbole.
The correct literary device wold be metaphor
