Determined by impulse rather than reason; heavy-handed.
Not representative or symbolic; not iconic.
Determined by independent arbiter.
Based on individual discretion or judgment; not based on any objective distinction, perhaps even made at random.
Any, out of all that are possible.
Anything arbitrary, such as an arithmetical value or a fee.
Not consistent or coherent in thought or behavior.
Lacking internal consistency; self-contradicting; not compatible with itself.
Having the property that a contradiction can be derived.
Not compatible (with another thing); incompatible, discrepant, at odds.