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.
Anything arbitrary, such as an arithmetical value or a fee.
Not elegant or well-planned, lacking tact or subtlety.
Awkward, lacking coordination, not graceful, not dextrous.
Awkward or inefficient in use or construction, difficult to handle or manage especially because of shape.
A clumsy person.