minimal

adjective

1. The least possible

   "a victory won with minimal loss of life"

2. Barely adequate

   "a minimal standard of living"

3. Very small or slight

   "a minimal interest in art"

4. Of, relating to, or being minimal art or minimalism

noun

1. Abstract art consisting primarily of simple geometric forms executed in an impersonal style

noun

1. Attention deficit hyperactivity disorder

noun

1. Two linguistic units that differ in a single distinctive feature or constituent (such as voice in the initial consonants of bat and pat)

adjective

1. Smaller than the minimum that is required for a particular result

   "a subminimal stimulus"