disciplined

[ dis-uh-plind ]

/ ˈdɪs ə plɪnd /

having or exhibiting discipline; rigorous: paintings characterized by a disciplined technique.

Origin of disciplined

1350–1400; Middle English. See discipline, -ed²

non·dis·ci·plined, adjective un·dis·ci·plined, adjective well-dis·ci·plined, adjective

His own administrative assistant called him ‘bold but careless, imaginative but undisciplined, creative but sloppy.’

Moon Colonies, Penguin Bites, and John Wayne: Why We’ll Miss Newt Gingrich |Ben Jacobs |April 26, 2012 |DAILY BEAST
The famously unscripted, undisciplined, verbally incontinent VP tends to offer a little something for everyone.

The Pros and Cons of Joe Biden Hitting the Campaign Trail |Michelle Cottle |March 8, 2012 |DAILY BEAST
The British are too undisciplined to be good at what they are most (regrettably and childishly) interested in.

Britain is in No Position to Rule the Waves |Noah Kristula-Green |March 8, 2012 |DAILY BEAST
The anti-Newt ads “Unreliable Leader” and “Undisciplined” are equally powerful.

Republican Political Ads in Florida: Why Romney's Are Best |Judith Grey |January 28, 2012 |DAILY BEAST

He is an undisciplined bomb thrower, when the people are looking for predictability.

Welcome to 2012’s Newt-onian Politics, With Gingrich as Lazarus |Mark McKinnon |November 30, 2011 |DAILY BEAST
Against these were arrayed six thousand trained soldiers and a vast host of undisciplined rabble.

Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 4 |Various
The army under General St. Clair was lost, because the men were undisciplined and unfitted for that service.

Abridgment of the Debates of Congress, from 1789 to 1856, Vol. I (of 16) |Thomas Hart Benton
You are nearly grown up, Elfie, and still such an undisciplined child!

Fifty-Two Stories For Girls |Various
On Monday, June 22, 1807, the Chesapeake put to sea with her ill-assorted and undisciplined crew.

Yankee Ships and Yankee Sailors: Tales of 1812 |James Barnes
Heathen beliefs and practices were mixed with their Christianity, and the clergy were ignorant and undisciplined.

A Source Book for Mediaeval History |Oliver J. Thatcher

undisciplined

/ (ʌnˈdɪsɪˌplɪnd) /

not exhibiting self-control or good behaviour