Slang is a type of language consisting of words and phrases that are regarded as very informal, are more common in speech than writing, and are usually restricted to particular group. Most of us know a lot of them, but how many formal words do we actually know?
Adversary
Plenteous
Ominous
Meticulous
Swagger
Aptitude
Somer
Pristine
Vigilant
Uncanny
Bluff
Translucent
Zeal
Waver
Vulnerable
Concoction
Destination
Sociable
Tactic
Falter
Recluse
Egregious
Sabotage
Serenity
Outlandish
Persistent
Exhilarate
Quell
Malleable
Narrate
Obscure
Fragrance
Gusto
Jostle
Knoll
Kindle
Impending
Imperious
Illuminate
Jabber
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