Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.
Not concerned or worried (about).
Poor, deficient or inferior in amount, quality or extent
Of a set: such that, considered as a subset of a (usually larger) topological space, it is in a precise sense small or negligible.
Having little flesh; lean; thin.
Dry and harsh to the touch (e.g., as chalk).
To make lean.