usefulness

UK: /ˈjuːsfʊlnɪs/

WordReference Random House Learner's Dictionary of American English © 2025

use•ful /ˈyusfəl/   adj. 

1. being of use or service:
   a useful member of society; a useful resource, like timber.
2. helpful to others:
   She's very useful to have around.

use•ful•ly, adv. 
use•ful•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

use•ful  (yo̅o̅s′fəl), adj. 

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

• use + -ful 1585–95

use′ful•ly, adv. 
use′ful•ness, n. 
Synonyms

• 1, 2. profitable, efficacious, beneficial.

Antonyms

• 1, 2. useless.