Dictionary.com/dilatory (etymology):

dilatory (DIL-uh-tor-ee) adjective

1. Intended to delay.
2. Tending to postpone or delay: dilatory in his work habits. See Synonyms at slow.

Source: The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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adj 1: inclined to waste time and lag behind [syn: laggard] 2: wasting time [syn: laggard, poky, pokey] 3: using cautious slow strategy to wear down opposition; avoiding direct confrontation; “a fabian policy” [syn: fabian]

Source: WordNet ® 2.0, © 2003 Princeton University

This should come in quite handy in depicting our more procrastinating characters, or perhaps ourselves.