Uncommon

eldritch
[el-drich]
eerie; weird; spooky

paucity
[paw-si-tee]
smallness of quantity; scarcity; scantiness

draconian
[drey-koh-nee-uhn]
excessively harsh and severe

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

plashy
[plash-ee]
marshy; wet

hebetude
[heb-i-tood]
the state of being dull; lethargy

hegemonic
[hej-uh-mon-ik]
having hegemony or dominance

expatiate
[ik-spey-shee-eyt]
to enlarge in discourse or writing; be copious in description or discussion

gurn
[gurn]
make a comically or repulsively ugly face

perfidious
[per-fid-ee-uhs]
deliberately faithless; treacherous; deceitful

micawber
[mi-caw-ber]
one who is poor but lives in optimistic expectation of better fortune

rapprochement
[rap-rohsh-mahn]
an establishment or resumption of harmonious relations

inexorable
[in-ek-ser-uh-buhl]
not to be persuaded, moved, or affected by prayers or entreaties

avaricious
[av-uh-rish-uhs]
characterized by avarice; greedy; covetous

plumbeous
[pluhm-bee-uhs]
resembling or containing lead; leaden

cynosure
[sahy-nuh-shoor]
something that strongly attracts attention by its brilliance, interest, etc.

grok
[grok]
to understand thoroughly and intuitively

torrid
[tawr-id]
ardent; passionate

tenacious
[tuh-ney-shuhs]
holding fast; characterized by keeping a firm hold

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

impecunious
[im-pi-kyoo-nee-uhs]
having little or no money; penniless; poor

adversary
[ad-ver-ser-ee]
one's opponent in a contest, conflict, or dispute

collywobbles
[kol-ee-wob-uhlz]
intestinal cramps or other intestinal disturbances due to anxiety

lucubrate
[loo-kyoo-breyt]
to work, write, or study laboriously, especially at night and by lamplight