Noun anxiousness has 2 senses
  1. anxiety, anxiousness - a relatively permanent state of anxiety occurring in a variety of mental disorders
    --1 is a kind of psychological state, mental state
    --1 has particulars:
     castration anxiety; hypochondria, hypochondriasis; overanxiety; panic, scare
  2. anxiousness, disquiet - a feeling of mild anxiety about possible developments
    --2 is a kind of anxiety