Search Dictionary
Definition of defection
defection
/dɪˈfɛkʃən/
de · fec · tion
Plural:defections
•Adjective:defective
defection Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
3
defection Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The conscious abandonment of allegiance or duty to a country, political party, cause, or organization, often in order to join an opposing group.
Example
"The sudden defection of several senior lawmakers to the rival party threatened the stability of the ruling coalition."
Synonyms
View all synonyms for defection Antonyms
View all antonyms for defectionWord Nuance & Usage
Do not confuse 'defection' (abandoning a country, party, or cause) with 'defect' as a noun (an imperfection or flaw); while both share the same Latin root, 'defection' almost exclusively refers to an act of disloyalty or desertion.
• Rhymes for defection
• Nearby Words
Word Origin & Etymology
Borrowed in the mid-16th century from Latin defectio ('a revolt, desertion, or failing'), from the verb deficere ('to desert, fail, or forsake'), combining de- ('away from') and facere ('to do or make').
Cite this Entry
Wordmom. (2026). Definition of Defection. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/defection