Vocabulary From Latin and Greek Roots — Level IX, Unit 12, Vocabulary From Latin and Greek Roots — Level IX, Unit 13

collapse

a complete failure and ruin

relapse

a falling back into an old illness or a bad habit

levity

a lack of seriousness; a jolly or joking manner

cadence

a rhythmic rise and fall

susceptible

able to be influenced

perceptible

able to be noticed or felt

superfluous

additional to what is necessary; extra

precept

an idea important to a system of beliefs

voracious

devouring everything

herbivorous

eating only plants

omnivorous

feeding on both animals and plants

rapt

giving total attention to; captivated

surreptitious

hidden or secret; done without notice

decadent

overly luxurious and lacking moral discipline; excessive

rapacious

seizing everything; greedy

concession

something given up or yielded

casualty

something or someone injured, killed, or eliminated

mellifluous

sweetly flowing or sounding

leaven

to make less heavy or serious

alleviate

to make less painful or dangerous

recede

to move back or away from

elapse

to slip away; to go by

cede

to surrender

affluent

wealthy and privileged; well-to-do