Dictionary definition for: Useful
1. (a) being of use or service; "the girl felt motherly and useful" "a useful job" "a useful member of society"
2. (s) of great importance or use or service; "useful information" "valuable advice"
3. (s) capable of being turned to use or account; "useful applications of calculus"
4. (s) having a useful function; "utilitarian steel tables"
WordNet 2.1 Copyright Princeton University. All rights reserved.
