Physical danger from the environment, especially with risk of drowning
An obstacle that hinders achievement of a goal.
The state of being difficult, or hard to do.
An objection.
An awkward situation or quarrel.
That which cannot be easily understood or believed.
Absence of the power of self-motion; inertia.
Quality of being unreactive with other chemical compounds or elements.
Lack of activity or exertion; habitual indisposition to action or motion