adverb
in a way which is not normal; he had an abnormally fast pulse; her periods were abnormally frequent
NOTE: for other terms referring to abnormality, see words beginning with terat-
QUOTE: the synovium produces an excess of synovial fluid, which is abnormal and becomes thickened. This causes pain, swelling and immobility of the affected joint Nursing Times
QUOTE: Even children with the milder forms of sickle-cell disease have an increased frequency of pneumococcal infection. The reason for this susceptibility is a profound abnormality of the immune system in children with SCD Lancet