Uncommon

ubiquitous
[yoo-bik-wi-tuhs]
existing or being everywhere, especially at the same time; omnipresent

woebegone
[woh-bi-gawn, woh-bi-gon]
beset with woe; affected by woe, especially in appearance; showing or indicating woe

gelid
[jel-id]
very cold; icy

insouciance
[in-soo-see-uhns]
the quality of being insouciant; lack of care or concern; indifference

loquacious
[loh-kwey-shuhs]
talking or tending to talk much or freely; talkative; chattering; babbling; garrulous

chthonic
[tha-nik]
of or relating to the deities, spirits, and other beings dwelling under the earth

propinquity
[proh-ping-kwi-tee]
the state of being close to someone or something; proximity

riposte
[ri-pohst]
a quick, clever reply to an insult or criticism

sycophant
[sik-uh-fuhnt, sik-uh-fant]
a self-seeking, servile flatterer; fawning parasite

friable
[frahy-uh-buhl]
easily crumbled or reduced to powder; crumbly

querulous
[kwer-uh-luhs]
full of complaints; complaining

oligopoly
[ol-i-gop-uh-lee]
the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors

haughty
[haw-tee]
arrogantly superior and disdainful

palfrey
[pawl-free]
a docile horse used for ordinary riding, especially by women

ignominious
[ig-nuh-min-ee-uhs]
marked by or attended with ignominy; discreditable, humiliating

inimical
[ih-nim-i-kuhl]
adverse in tendency or effect; unfavorable; harmful

obnubilate
[ob-noo-buh-leyt]
to cloud over; becloud; obscure

proliferate
[pruh-lif-uh-reyt]
to grow or produce by multiplication of parts, as in budding or cell division, or by procreation

cerulean
[suh-roo-lee-uhn]
deep blue; sky blue; azure

elegy
[el-i-jee]
a mournful, melancholy, or plaintive poem, especially a funeral song or a lament for the dead

peregrinate
[per-i-gruh-neyt]
to travel or journey, especially to walk on foot

quintessence
[kwin-tes-uhns]
the pure and concentrated essence of a substance

insufflate
[in-suhf-leyt]
to blow or breathe (something) in

pervade
[per-veyd]
to become spread throughout all parts of