defection
noun/dɪˈfɛkʃən/
Frequency rank: #14,176 most common English word
Meaning
The act of abandoning allegiance to a group, country, or cause in favor of an opposing one.

Example sentence
His sudden defection from the political party shocked everyone in the country.
Synonyms & related words
- betrayal
- desertion
- abandonment
- switching
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