To keep up; to preserve; to uphold (a state, condition etc.).
To declare or affirm (a clause) to be true; to assert.
To fail to do or carry out something due to oversight or carelessness.
To fail to care for or attend to something.
To omit to notice; to forbear to treat with attention or respect; to slight.
To ignore for the sake of simplifying calculations without significantly affecting accuracy.
Habitual lack of care.
The act of neglecting.
The state of being neglected.