What is the definition of Monumental Art?

Answer 1

Depends on the subject matter. I would say loosely defined it is a abnormally large piece. Dictionary Definitions:

mon·u·men·tal

1 : of or relating to a monument
2 : serving as or resembling a monument :massive; also : highly significant :outstanding
3 : very great monumentalmisunderstanding>

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art

1. Human effort to imitate, supplement, alter, or counteract the work of nature.

2. a. The conscious production or arrangement of sounds, colors, forms, movements, or other elements in a manner that affects the sense of beauty, specifically the production of the beautiful in a graphic or plastic medium.
b. The study of these activities.
c. The product of these activities; human works of beauty considered as a group.
3. High quality of conception or execution, as found in works of beauty; aesthetic value.
4. A field or category of art, such as music, Ballet, or literature.
5. A nonscientific branch of learning; one of the liberal arts.
6. a. A system of principles and methods employed in the performance of a set of activities: the art of building.
b. A trade or craft that applies such a system of principles and methods: the art of the lexicographer.
7. a. Skill that is attained by study, practice, or observation: the art of the baker; the blacksmith's art.
b. Skill arising from the exercise of intuitive faculties: "Self-criticism is an art not many are qualified to practice" (Joyce Carol Oates).
8. a. arts Artful devices, stratagems, and tricks.
b. Artful contrivance; cunning.
9. Printing Illustrative material.