adversary - An enemy or opponent
nuance - A subtle difference in or shade of meaning, expression, or sound
weirdo - A person whose dress or behavior seems strange
swat - To hit or attempt to hit something, especially an insect, with a sharp blow from a flat object
infest - The way that insects and bugs multiply and cause disease and destruction
antiquated - Belonging to an earlier period in history; obsolete.
rehabilitate - To help restore a person to a former successful or healthy condition
tingle - A slight prickling or stinging sensation
twang - A strong ringing sound such as that made by the plucked string of a musical instrument or a released bowstring
remorse - Deep regret or guilt for a wrong committed
lofty - Very high
dubious - Hesitating or doubting