The quality or degree of being useful.

(colloquial, usually with a following present participle or infinitive expression) Used to indicate that the specified action cannot succeed or offers no advantage if successful

(colloquial, usually with a following present participle or infinitive expression) Used to indicate that the specified action cannot succeed or offers no advantage if successful

plural of usefulness

to do something with, for a task or purpose

that can help with a particular task

Abbreviation of undersize. / Abbreviation of unserviceable.

Initialism of Upper Sorbian.

Initialism of United States.

(psychology) Initialism of unconditioned stimulus.