Marked by imprecision and vacillation; inconstant; uncertain: The wishy-washy player keeps putting off the evil day/ It's not overpowering like Opium and not wishy-washy [1873+; fr a rhythmic reduplication of washy, ''weak, diluted, watered-down,'' probably influenced by wishy as suggesting vacillating desires; the original sense was ''weak, insubstantial, trashy,'' found by 1703]
Medical Definition of avidity. : a characteristic of antibodies (such as antitoxins) that tends to enhance their rate or stability in binding with an antigen Antibody avidity is an average measure of the affinity of the antibodies for a particular antigen in a serum sample.âDominic F. Kelly, The New England Journal of Medicine, 21 Dec. 2005.
The Advancement Via Individual Determination (AVID) Program is designed to help middle and high school students prepare for and succeed in colleges and universities. Students in the program commit themselves to improvement and preparation for college. AVID offers a rigorous program of instruction in academic survival skills and college level entry skills. The AVID program teaches the student how to study, read for content, take notes, and manage time. Students participate in collaborative study groups or tutorials led by tutors who use skillful questioning to bring students to a higher level of understanding.