Adjective

(en adjective)

Fast, prompt, speedy.

* 1815 , , Emma , ch. 38,

Our coachman and horses are so extremely expeditious !—I believe we drive faster than any body.

(of a process or thing) Completed or done with efficiency and speed; facilitating speed.

* 1816 , , The Antiquary , vol. 1, ch. 7,

As they thus pressed forward, longing doubtless to exchange the easy curving line, which the sinuosities of the bay compelled them to adopt, for a straighter and more expeditious path, Sir Arthur observed a human figure on the beach.

* 1844 , , Barry Lyndon , ch. 14,

Now, there was a sort of rough-and-ready law in Ireland in those days, which was of great convenience to persons desirous of expeditious justice.

Adjective

(en adjective)

Ready to do something that is not (can't be expected as) a matter of course.

*

, title=(The Celebrity), chapter=5 , passage=In the eyes of Mr. Farquhar Fenelon Cooke the apotheosis of the Celebrity was complete. The people of Asquith were not only willing to attend the house-warming, but had been worked up to the pitch of eagerness. The Celebrity as a matter of course was master of ceremonies.}}

*{{quote-magazine, date=2013-06-07, author=David Simpson

, volume=188, issue=26, page=36, magazine=(The Guardian Weekly) , title= Fantasy of navigation , passage=Like most human activities, ballooning has sponsored heroes and hucksters and a good deal in between. For every dedicated scientist patiently recording atmospheric pressure and wind speed while shivering at high altitudes, there is a carnival barker with a bevy of pretty girls willing to dangle from a basket or parachute down to earth.}}