Penumbra

pen-NUM-bra / partial shadow; space of partial illumination; the limits of a shadow

Boeotian

BOE-ee-shan / marked by stupidity and philistinism; crudely obtuse; loutish

Blellum

B-LEL-lum / an idle, indiscreet talker; noisy fainéant

Acquiesce

ACK-qui-ess / to passively accept; to accept, comply, or submit passively

Mercurial

mer-CURE-ee-al / fickle; erratic; ingenious; changeable; eloquent

Flibbertigibbet

Flibbertigibbet
flib-ber-ti-gib-bet
Noun
A very flightly, talkative person or a gossip.

Concur

Concur
con-cur
Verb
Be of the same opinion.