Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
defection
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'defection' is correct and commonly used in written English.
It is often used to describe the act of abandoning or betraying one's country, organization, or cause. It can also refer to the act of leaving one group or party to join another. Example: The politician's defection from his party caused a major shift in the balance of power in the government.
✓ Grammatically correct
News & Media
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The prime minister tried to move the focus to Miliband after Reckless, whose defection from the Conservatives triggered the byelection, inflicted a humiliating blow.
News & Media
These soldiers had no place to hide after their defection but went to the people living in these neighbourhoods to give them a shelter.
News & Media
The byelection, caused by the defection of the Tory MP Mark Reckless, is likely in early November.
News & Media
His comments came as Syria's deputy oil minister announced his defection, making himthe highest ranking official to abandon Assad's regime since the country's uprising erupted a year ago.
News & Media
His defection personified the decline in fortunes of the party in the Republic of Ireland, where it lost its sole European seat in June and has seen its representation in the Dáil reduced.
News & Media
While his defection may prove a double-edged sword for Labour, and it may even disrupt Ukip, it is really horrible for David Cameron.
News & Media
As is normal journalistic protocol, I sought opinion on the mass defection from the party leader.
News & Media
Labour survived Oswald Mosley's disloyalty in the 1930s, though his economic analysis was smarter than theirs (William Jennings Bryan too?), just as it did the SDP gang of four's defection in the 1980s.
News & Media
Kerr's defection to the anti-Agreement camp marked a serious setback for Trimble.
News & Media
But the defection of Abdo Hussameldin, a relatively minor and unknown figure outside of Damascus, underscores the difficulties Syria's fragmented opposition has had in persuading senior regime figures to abandon Assad.
News & Media
The Clacton byelection was caused by the defection of the former Tory MP Douglas Carswell, who is standing as the Ukip candidate.
News & Media
Expert writing Tips
Best practice
Use "defection" specifically when describing the act of leaving a political party, government, or military force for an opposing side. It requires the prepositions "from" for the original entity and "to" for the new destination.
Common error
Avoid using "defection" when you mean a physical or functional flaw. While a "defect" can be a noun meaning a flaw, "defection" exclusively refers to the act of abandoning a cause or country. You would say 'a defect in the engine' but 'his "defection" to the rival party'.
Source & Trust
100%
Authority and reliability
5/5
Expert rating
Real-world application tested
Linguistic Context
As a singular noun, "defection" functions as the subject or object of a sentence to denote the specific act of abandoning an allegiance. In the examples provided by Ludwig, it often serves as the trigger for a chain of events, such as a by-election or a government collapse.
Frequent in
News & Media
92%
Formal & Business
5%
Academia
3%
Less common in
Social Media
0.5%
Science
0.3%
Wiki
0.2%
Ludwig's WRAP-UP
In conclusion, "defection" is a robust and precise noun used to describe the act of abandoning a country, party, or cause. Ludwig demonstrates that it is a staple of political journalism, particularly when discussing shifts in power or loyalty. According to Ludwig AI, the term is grammatically correct and most effective when paired with the prepositions "from" and "to". It carries a professional yet serious tone, distinguishing itself from more casual terms by implying a strategic or moral consequence to the departure.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
desertion
Implies an abandonment of duty, often used in a military or moral context.
party-switching
Specifies the act within a political framework, usually involving a change in membership.
apostasy
Focuses on the abandonment of a religious or political belief system.
crossing the floor
A specific parliamentary idiom for changing political allegiance during a session.
abandonment
A more general term for leaving a person, place, or cause behind.
renunciation
Highlights the formal rejection of a former claim or identity.
betrayal
Carries a heavier moral judgment, implying a breach of trust.
absconding
Suggests leaving secretly or suddenly, often to avoid detection or legal consequences.
disloyalty
Describes the character trait or state that leads to the act of leaving.
flight
Emphasizes the act of running away or escaping from a situation.
FAQs
How do I use "defection" in a sentence?
You can use it to describe a shift in loyalty, such as: "The minister announced his "defection" from the government yesterday." It is often found in political reporting to signal a major change in power dynamics.
What is a common synonym for "defection"?
Depending on the context, you might use "desertion" if it involves a duty, or "renunciation" if it is about a formal rejection of beliefs.
What is the difference between "defection" and "party-switching"?
While "party-switching" is a neutral description of changing political groups, "defection" often carries a more dramatic or traitorous connotation, suggesting a significant blow to the group left behind.
Is it "defection" or "defections"?
Both are correct. Use the singular "defection" for a single event and the plural "defections" when referring to multiple people or instances, such as "the mass defections from the army."
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
100%
Authority and reliability
5/5
Expert rating
Real-world application tested