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Flippant
not showing a serious or respectful attitude.
Cerebral
intellectual rather than emotional or physical.
Glib
(of words or the person speaking them) fluent and voluble but insincere and shallow.
Burgeon
begin to grow or increase rapidly; flourish.
Audacious
showing a willingness to take surprisingly bold risks.
Callous
showing or having an insensitive and cruel disregard for others.
Nebulous
(of a concept or idea) unclear, vague, or ill-defined.
Goad
provoke or annoy (someone) so as to stimulate some action or reaction.
Zealous
showing great energy or enthusiasm in pursuit of a cause or objective.
Irreverent
showing a lack of respect for people or things that are generally taken seriously.
Pernicious
having a harmful effect, especially in a gradual or subtle way. -- highly injurious or destructive : DEADLY
Euphoric
characterized by or feeling intense excitement and happiness.
Biting
harsh
Brusque
abrupt or offhand in speech or manner.
Abscond
leave hurriedly and secretly, typically to avoid detection of or arrest for an unlawful action such as theft.
Seminal
strongly influencing later developments
Rue
bitterly regret
Happenstance
Coincidence
Amenable
open and responsive to suggestion; easily persuaded or controlled
Lucid
expressed clearly; easy to understand.
Insipid
lacking vigor or interest.
Altruistic
showing a disinterested and selfless concern for the well-being of others; unselfish.
Extol
praise enthusiastically.
Amorphous
having no definite form : SHAPELESS; being without definite character or nature; lacking organization or unity.
Abject
(of something bad) experienced or present to the maximum degree