Lazy, unmotivated. / Untrustworthy as a result of being incompetent at the job. / Destitute of shifts or expedients; lacking proper means.

In a shifty manner.

(nautical) A fellow sailor serving on the same ship as another. / (nautical, informal) Any sailor (when used as a form of address by a sailor).

(nautical) The amount (of cargo) that a ship can carry.

(US) A work shift between a day shift and a night shift, such as from 4PM to midnight, and the group of workers scheduled to work such a shift at a facility.

(uncountable) The property of being shifty. / (countable, rare) The result or product of being shifty.

(nautical) Occurring or existing on board a ship. / (figuratively) casual or ephemeral (e.g. a shipboard romance)

The side of a ship.

plural of shield bug

Any of the American shield bugs, in the superfamily Pentatomoidea.