An aloof person.
A huge mass of ocean-floating ice which has broken off a glacier or ice shelf
An impending disastrous event whose adverse effects are only beginning to show, in reference to one-tenth of the volume of an iceberg being visible above water.
A person who is indifferent or apathetic.
Indicating or reflecting a lack of concern or care.
Ambivalent; unconcerned; uninterested, apathetic.
Having no preference.
Mediocre (usually used negatively in modern usage).
Not making a difference; without significance or importance.
Being in the state of neutral equilibrium.