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Related to at fault: electrical fault
Responsible for a problem, mistake, or other incident. The other driver was definitely at fault—I was just sitting at a red light when he rear-ended me! I know I was at fault, so I will apologize to Sara today.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to blame [for something]; serving as the cause of something bad. I was not at fault in the accident. You cannot blame me.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Responsible for a mistake, trouble, or failure; deserving blame. For example, At least three cars were involved in the accident, so it was hard to determine which driver was at fault , or He kept missing the target and wondered if the sight on his new rifle was at fault. In Britain this usage was formerly considered incorrect but is now acceptable; in America it has been widespread since the mid-1800s. Also see in the wrong.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
at ˈfaultresponsible for doing wrong, making a mistake, etc.; to be blamed: The inquiry will decide who was at fault over the loss of the funds. ♢ I don’t feel that I am at fault. After all, I didn’t know I was breaking a rule.
Farlex Partner Idioms Dictionary © Farlex 2017
1. Deserving of blame; guilty: admitted to being at fault.
2. Confused and puzzled.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.