USEFUL definition: being of use or service; serving some purpose; advantageous, helpful, or of good effect. See examples of useful used in a sentence.

A good knife is probably one of the most useful things you can have in a kitchen. Do the exercises serve any useful purpose?

The meaning of USEFUL is capable of being put to use; especially : serviceable for an end or purpose. How to use useful in a sentence.

WordReference Random House Unabridged Dictionary of American English © 2025 use•ful (yo̅o̅s′ fəl), adj. being of use or service; serving some purpose; advantageous, helpful, or of good effect: a useful …

useful, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Definition of useful adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 14, 2025 · Prepositions: useful is used in useful for <purpose>, useful for <person> and useful to <person>. The words useful to are also found in constructions such as It is useful to do, in which to …

1. being of use or service; serving some purpose; advantageous, helpful, or of good effect: a useful member of society. 2. of practical use; producing material results; supplying common needs.

useful (adjective) useful / ˈ juːsfəl/ adjective Britannica Dictionary definition of USEFUL [more useful; most useful] : helping to do or achieve something

USEFUL meaning: 1. effective; helping you to do or achieve something: 2. the time during which something or…. Learn more.