(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 using

plural of usefulness

to do something with, for a task or purpose

that can help with a particular task

(rare) An inhabitant or citizen of the United States of America.

plural of US dollar

(rare) Of or pertaining to the United States of America.

Being or pertaining to a divisive belief whereby those outside one's immediate circle are regarded as enemies.

plural of US-ian