having an extreme or irrational fear of entering open or crowded places, of leaving one's own home, or of being in places from which escape is difficult

lately I've become completely agoraphobic

a seemingly agoraphobic young woman

a person with an extreme or irrational fear of entering open or crowded places, of leaving their own home, or of being in places from which escape is difficult

an agoraphobic who has not been out of her house for many months