American Heritage Dictionary
(2)
Century Dictionary
(2)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
It is flexible, extensible, and relatively easy to setup and maintain.— MacUpdate - Mac OS X
I spend a lot of my time these days working on software architectures and trying to come up with the most simple, extensible, and future proof.— Doug on the Eclipse CDT
Ubuntu with one CD and an OS that includes an integrated, extensible, and slick software package manager where all the software is approved and tailored to the installation?— Latest News from Open Source Magazine
Should these categories be extensible, and if so, how?— doggdot.us
Eclipse has emerged as the platform that finally integrates development tools from multiple vendors into a common, extensible, and widely supported framework.— Latest News from Open Source Magazine

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a month.
Recently looked upindustrious · non-reactive · heat-trapping · cozen · improper |
Recent Favoritespygopagus · sanglant · Astacus · sweetbread · qualms |
Recent Pronunciationsthese grunts every eight hours · haul it off to our darkest dungeon · send for a doctor · forget what witticism you were originally going to insert here because you've just banged your knee on your desk · the rest will come naturally |