a shortcoming, fault, or imperfection: a defect in an argument;a defect in a machine.
lack or want, especially of something essential to perfection or completeness; deficiency: a defect of common sense;a defect of action.
to desert a cause, country, etc., especially in order to adopt another (often followed by from or to): He defected from the U.S.S.R. to the West.
- de·fect·i·ble, adjective
- de·fect·i·bil·i·ty [dih-fek-tuh-bil-i-tee], /dɪˌfɛk təˈbɪl ɪ ti/, noun
- de·fect·less, adjective
- non·de·fect·ing, adjective
- pre·de·fect, noun
- re·de·fect, verb (used without object)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use defect in a sentence
It then spent another five working out the right composition and manufacturing process to prevent defects and dendrites.Novel lithium-metal batteries will drive the switch to electric cars | Katie McLean | February 24, 2021 | MIT Technology Review
Under the law, defects or recalls that affect vehicle emissions equipment have to be reported to the Environmental Protection Agency.Toyota fined $180 million for 10 years of noncompliance with EPA regs | Jonathan M. Gitlin | January 15, 2021 | Ars Technica
Toyota settled a lengthy Justice Department civil probe into its delayed filing of emissions-related defect reports for $180 million, the government said Thursday.
On new windows, manufacturers offer warranties against cloudiness and other defects that stretch for many years, so it might be worth digging out the paperwork for your windows, if you still have it.Cloudy double-pane windows are to be expected with time | Jeanne Huber | January 11, 2021 | Washington Post
She has made a name for herself internationally with her work on reproductive defects.
These big paydays have incentivized a record number of Cuban players to defect.Is Major League Baseball Ready For Cuba’s Players? | Ben Jacobs | December 19, 2014 | THE DAILY BEAST
Preliminary results performed by Italian authorities “have not detected any manufacturing defect,” she added.
I think we are empowering refugees and there will be many more people like me who defect.How ‘Titanic ’Helped This Brave Young Woman Escape North Korea’s Totalitarian State | Lizzie Crocker | October 31, 2014 | THE DAILY BEAST
After clashing with coach Victor Tikhonov, a KGB-installed tyrant, he chose to challenge the government and defect to the NHL.Putin’s Hockey Pal Tells All: Slava Fetisov on ‘Red Army,’ Soviet Nostalgia, and What Drives Putin | Marlow Stern | October 9, 2014 | THE DAILY BEAST
When Michele Bachmann claimed in 2011 that a supporter had been bribed to defect to Ron Paul, observers rolled their eyes.
In spite of this acknowledged defect, many of the best players in this country regard it as a legitimate and helpful device.The Recent Revolution in Organ Building | George Laing Miller
I supply Ne lak (defect) in hem, to make some sense; the F. text does not help here.Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems | Geoffrey Chaucer
A note that is payable on a contingency is not negotiable, and the happening of the event does not cure the defect.Putnam's Handy Law Book for the Layman | Albert Sidney Bolles
Even then, if the buyer has examined the goods and has discovered a defect, there is no warranty.Putnam's Handy Law Book for the Layman | Albert Sidney Bolles
This reading means—'I knew in her no other defect'; which, as no defect has been mentioned, seems inconsistent.Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems | Geoffrey Chaucer
British Dictionary definitions for defect
a lack of something necessary for completeness or perfection; shortcoming; deficiency
an imperfection, failing, or blemish
(intr) to desert one's country, cause, allegiance, etc, esp in order to join the opposing forces
- defector, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012