Doing something that a reasonable and prudent person would not do, or not doing something that a reasonable and prudent person would do in a particular situation. The failure to exercise normal care or act reasonably under the circumstances.
Association of Marine Underwriters of San Francisco (AMUSF), Glossary of Marine Insurance and Shipping Terms, http://www.amusf.com/Definitions_A.htm, CA, USA 2011. (Mrtm Insur and Shipping - Amer) {575}