from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the quality of being useful, to which extent something is useful
from the GNU version of the Collaborative International Dictionary of English
- n. The quality or state of being useful; utility; serviceableness; advantage.
from The Century Dictionary and Cyclopedia
- n. The state or character of being useful; conduciveness to some end; utility; serviceableness; advantage.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the quality of being of practical use
useful + -ness (Wiktionary)