Opposite
Part of speech: adjective
Definition: located directly across from something else, or from each other facing in the other direction of either of two complementary or mutually exclusive things
Part of speech: adverb
Definition: in an opposite position
Part of speech: preposition
Definition: facing, or across from in a complementary role to
Part of speech: noun
Definition: something opposite or contrary to another an opponent an antonym an additive inverse
Example sentence: Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.
Face-to-face
Part of speech: adjective
Definition: In one another's presence.
Part of speech: adverb
Definition: While physically present.