Caustic
acrimonious
To make better, to relieve, to improve
ameliorate
open to or willing to follow advice or suggestion, tractable, malleable
amenable
shapeless, having no definite form
amorphous
capable of floating, cheerful
buoyant
to persuade with deliberate flattery, to coax, to wheedle
cajole
a serious event causing distress or misfortune
calamity
to reduce in dignity or quality
debase
to erase, to wear away
efface
to make clear, to explain
elucidate
lasting a short period of time, fleeting
ephemeral
savagery
ferocity
to thrive, to grow well
flourish
arrogant, excessively proud and vain
haughty
incapable of being entered or penetrated, not capable of being damaged
impervious
lacking significance, meaning, or point, silly, insipid
inane
laziness
indolence
incapable of error
infallible
difficult to understand; mysterious
inscrutable
slow, sluggish, listless, weak
languid
desire to harm others
malice
slanting, indirect, evasive, devious, misleading
oblique
wealth, affluence, abundance
opulence
showing or feeling regret for wrongdoing, repentant
penitent
acting routinely with little interest or care
perfunctory