Agoraphobia

an abnormal fear of being in crowds, public places, or open areas, sometimes accompanied by anxiety attacks.
Contemporary Examples

It talks about her agoraphobia and her diabetes, as well as her recent court testimony, all without judgment or venom.
Paula Deen, Comic Book Hero? Tricia Romano September 18, 2013

Historical Examples

agoraphobia, for instance, is the fear of crossing an open place.
Essays In Pastoral Medicine Austin Malley

In the Moon’s slight gravity, a man is really adjusted to existence when he has a well-developed case of agoraphobia.
Scrimshaw William Fitzgerald Jenkins

Glare-blindness, gravity-legs, and agoraphobia were excuses for a lot of things, when a man was just back from Big Bottomless.
The Hoofer Walter M. Miller

The sufferer from agoraphobia cannot bring himself to cross alone an open field or square.
Why Worry? George Lincoln Walton, M.D.

I put down her immunity to agoraphobia as just another evidence that she was already mad.
Greener Than You Think Ward Moore

noun
a pathological fear of being in public places, often resulting in the sufferer becoming housebound
n.

“fear of open spaces,” 1873, from German Agorophobie, coined 1871 by Berlin psychiatrist Carl Westphal (1833-1890) from Greek agora “open space” (see agora) + -phobia “fear.” Related: Agoraphobe; agoraphobic.

agoraphobia ag·o·ra·pho·bi·a (āg’ər-ə-fō’bē-ə)
n.
Phobia of open or public places.
ag’o·ra·pho’bic adj.