detriment

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Damage, harm, or loss.
• noun Something that causes damage, harm, or loss: synonym: disadvantage.

from The Century Dictionary.

• To injure; do harm to; hurt.
• noun Any kind of harm or injury, as loss, damage, hurt, injustice, deterioration, diminution, hindrance, etc., considered with specific reference, expressed or implied, both to its subject and to its cause: as, the cause of religion suffers great detriment from the faults of its professors; let the property suffer no detriment at your hands; the consuls must see that the republic receives no detriment; the detriment it has suffered is past remedy.
• noun That which causes harm or injury; anything that is detrimental: as, his generosity is a great detriment to his prosperity.
• noun In England, a charge made upon barristers and students for repair of damages in the rooms they occupy; a charge for wear and tear of table-linen, etc.
• noun In astrol., the sign opposite the house of any planet: as, Mars in Libra is in his detriment; the detriment of the sun is Aquarius, because it is opposite to Leo. It is a sign of weakness, distress, etc.
• noun In heraldry:

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb Archaic To do injury to; to hurt.
• noun That which injures or causes damage; mischief; harm; diminution; loss; damage; -- used very generically
• noun engraving A charge made to students and barristers for incidental repairs of the rooms they occupy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Harm, hurt, damage.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a damage or loss