Adjective

(en-adj)

Having the faculty of quick motion in the limbs; apt or ready to move; nimble; active; as, an agile boy; an agile tongue.

* Sir Arthur Conan Doyle in The Hound of the Baskervilles

The man drew out paper and tobacco and twirled the one up in the other with surprising dexterity. He had long, quivering fingers as agile and restless as the antennae of an insect.

(computing) Of or relating to (Agile software development), a technique for iterative and incremental development of software involving collaboration between teams.

agile methods

Adjective

(en adjective)

Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

* {{quote-magazine, title=A better waterworks, date=2013-06-01, volume=407, issue=8838

, page=5 (Technology Quarterly), magazine=(The Economist) citation , passage=An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic

Using a particular proportion of available energy.

Causing effects; producing results.

* Wilson

The efficient cause is the working cause.