To want strongly; to feel that one must have something.
To be obliged or required (to do something).
To be required; to be necessary.
To have an absolute requirement for.
Lack of means of subsistence; poverty; indigence; destitution.
A requirement for something; something needed.
To make (someone or something) no longer noble
Not noble; ignoble; base.
Of a metal, being at the lower end of the electrochemical series, i.e. oxidising readily.