(intransitive) To serve in two roles simultaneously.

(obsolete, US, slang) A thorough look or inspection.

plural of double truck

(advertising) A double-page spread advertisement.

(cricket) A score of 222

The handling of anything more than once, e.g. goods in transit.

(electrical engineering) Abbreviation of electrical engineer. / (electrical engineering) Abbreviation of electrical engineering.

(philosophy) The situation where an otherwise legitimate act (for example, relieving a terminally ill patient's pain) may also cause an effect one would otherwise be obliged to avoid (e.g. sedation and a slightly shortened life).

(UK) Of a person, having received both doses (jabs) of a COVID vaccine

To administer two injections to someone over a course of time