Dictionary

(auxiliary) A syntactic marker.

To perform; to execute.

Example: All you ever do is surf the Internet. What will you do this afternoon?

To cause, make (someone) (do something).

To suffice.

Example: it’s not the best broom, but it will have to do;  this will do me, thanks.

(of food) Ready, fully cooked.

Example: As soon as the potatoes are done we can sit down and eat.

Having completed or finished an activity.

Example: He pushed his empty plate away, sighed and pronounced "I am done."

Being exhausted or fully spent.

Example: When the water is done we will only be able to go on for a few days.

Without hope or prospect of completion or success.

Example: He is done, after three falls there is no chance he will be able to finish.

A synthetic opioid analgesic, used to wean addicts off heroin or other opiate based narcotics, and in chronic pain management.