careless

Entry Definition
s/he carelessly leaves valuables where they can easily be stolen
s/he leaves it somewhere carelessly
sloppily, leaving mess, carelessly
sloppily, carelessly
s/he is sloppy, careless; s/he is lax (with money, tools, etc.); s/he is not possessive
it is positioned carelessly or sloppily; it is easily knocked over or broken, etc.; (something expensive or valuable) it is easy to steal (because it has been left out in the open)