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

affluent

wealthy and privileged; well-to-do

superfluous

additional to what is necessary; extra

mellifluous

sweetly flowing or sounding

leaven

to make less heavy or serious

levity

a lack of seriousness; a jolly or joking manner

alleviate

to make less painful or dangerous

elapse

to slip away; to go by

collapse

a complete failure and ruin

relapse

a falling back into an old illness or a bad habit

recede

to move back or away from

concession

something given up or yielded

cede

to surrender