Independent
Part of speech: adjective
Definition: not dependent; not contingent or depending on something else; free not affiliated with any political party
Part of speech: noun
Definition: A candidate or voter not affiliated with any political party, a free thinker, free of a party platform. A neutral or uncommitted person.
Example sentence: I believe that an independent judiciary is the crown jewel of our constitutional republic.
Main
Part of speech: noun
Definition: Strength.The mainland.The high seas.A large pipe or cable providing utility service to a building or area, such as water main or electric main.The mainsail.
Part of speech: adjective
Definition: Principal, most important.
Example sentence: I'm a really, really optimistic and really, really positive person. My main thing is, 'Enjoy life. Celebrate life.'