Groundlessness; worthlessness; triviality; vanity; frivolity.
The state of being idle; inactivity.
The state of being indolent; indolence.
A promise or pledge; a guarantee.
That which is undertaken; any business, work, or project which a person engages in, or attempts to perform; an enterprise.
The business of an undertaker, or the management of funerals.
The act of one who undertakes (in either sense).