demure
modest; shy
petulance
impatience, irritability
fractious
troublesome or irritable (uncontrollable)
aggrandize
to make greater
capricious
given to sudden and unaccountable changes of mood or behavior, changeable
deference
humble submission and respect
efficacy
effectiveness
impecunious
penniless, poor
leviathan
a very large aquatic creature, especially a whale, something and powerful.
enervate
to weaken, to destroy the strength of.