Anything arbitrary, such as an arithmetical value or a fee.
Not representative or symbolic; not iconic.
Determined by independent arbiter.
Determined by impulse rather than reason; heavy-handed.
Based on individual discretion or judgment; not based on any objective distinction, perhaps even made at random.
Any, out of all that are possible.
An additive inverse.
Something opposite or contrary to something else.
An opponent.
A person or thing that is entirely different from or the reverse of someone or something else; used to show contrast between two people or two things.
An antonym.
In an opposite position.
Facing, or across from.
In a complementary role to.
On another channel at the same time.
Facing in the other direction.
Of leaves and flowers, positioned directly across from each other on a stem.
Located directly across from something else, or from each other.
Of either of two complementary or mutually exclusive things.
Extremely different; inconsistent; contrary; repugnant; antagonistic.