RhymeZone: useful definitions

Hey you! Yes, you! Thank you for adding beauty to the world!

Definitions of useful:

adjective: of great importance or use or service
Example: "Useful information"
adjective: capable of being turned to use or account
Example: "Useful applications of calculus"
adjective: being of use or service
Example: "The girl felt motherly and useful"
adjective: having a useful function