Ambiguous
having more than one possible meaning
Apathetic
showing little or no emotion or animation
Austere
of a stern or strict bearing or demeanor; forbidding in aspect
Complacent
contented to a fault with oneself or one’s actions
Corpulent
excessively large
Cynical
believing the worst of human nature and motives; having a sneering disbelief in e.g. selflessness of others
Demeanor
the way a person behaves toward other people
Disspassionate
unaffected by strong emotion or prejudice
Erudite
having or showing profound knowledge
Fortuitous
occurring by happy chance
Impetuous
characterized by undue haste and lack of thought or deliberation
Ostracize
expel from a community or group
Prolific
intellectually productive
Salient
having a quality that thrusts itself into attention
Scurrilous
expressing offensive reproach
Sedentary
requiring sitting or little activity
Transient
lasting a very short time
Tumultuous
characterized by unrest or disorder or insubordination
Vacuous
devoid of matter
Vicarious
experience at second hand