agile

Short definition from Wiktionary

Adjective

1. 1
   Having the faculty of quick motion in the limbs; apt or ready to move.
2. 2
   Characterised by quick motion.
3. 3
   Of or relating to agile software development, a technique for iterative and incremental development of software involving collaboration between teams.
4. 4
   Alternative letter-case form of agile (of or related to agile software development)

Noun

1. 1
   Agile software development.
2. 2
   Alternative letter-case form of agile (agile software development)