1 very minute or slight.
2 being or related to a minimum.
3 the least possible in size, duration, etc.
4 Art etc. characterized by the use of simple or primary forms or structures etc., often geometric or massive (huge minimal forms in a few colours).
Derivatives:
minimalism n. (in sense 4). minimally adv. (in senses 1-3).
Etymology: L minimus smallest
Useful english dictionary. 2012.