Acrimonious
Angry or bitter
Ameliorate
To make better, relieve, or improve
Amenable
Willing to follow advice/suggestion, malleable
Amorphous
Shapeless, having no definite form
Buoyant
Capable of floating; cheerful
Cajole
To persuade with flattery; to coax; to wheedle
Calamity
A serious event causing distress or misfortune
Debase
To reduce in dignity or quality
Efface
To erase or wear away
Elucidate
To make clear or explain
Ephemeral
Lasting a short period of time; fleeting
Ferocity
Savagery
Flourish
To thrive or grow well
Haughty
Arrogant; excessively proud and vain
Impervious
Incapable of being entered; incapable of damage
Inane
Lacking significance, meaning, or point
Indolence
Laziness
Infallible
Incapable of error
Inscrutable
Difficult to understand; mysterious
Languid
Slow; sluggish, weak
Malice
Desire to harm others
Oblique
Slanting; indirect; evasive
Penitent
Showing or feeling regret; repentant
Perfunctory
Acting routinely with little interest or care