adjective. Not intended; unintentional.

adjective. undefined

adjective. Having no particular purpose, organization, or structure; random.

adjective. Not thought out or prepared in advance; spontaneous.

adjective. unintentional; not intended

adjective. spontaneous and not thought through in advance

adjective. not having any structure or organization

adjective. not done with purpose or intent

adjective. without apparent forethought or prompting or planning

"In 2008 Texas will lead the nation in unplanned pregnancies and have the nations highest infant mortality rate."

ad hoc  casual  chance  unintended  unpremeditated  

Grande  Hand  Land  Marchand  Rand  

coincidental  fortuitous  infrequent  objectless  outsiderart  

ad-lib  aimless  caught napping  caught off balance  caught short