Vocabulary Builder — Essay & Answer Writing
Reversion
noun
/ ri-VUR-zhun /
Medium
Meaning
A return to a previous state, condition, or type, especially an undesirable one
Origin / Etymology
Latin reversio, from revertere, 'to turn back'
Synonyms
Relapse
Regression
Recurrence
Antonyms
Progression
Advancement
Example Sentence
"A live attenuated African Swine Fever vaccine carries a documented risk of reversion to virulence, in which the weakened strain regains its disease-causing capacity in the field."
🎯 UPSC Usage
Precise vocabulary for GS3 answers on vaccine science and biosafety, e.g., 'post-marketing surveillance exists specifically to detect reversion before a weakened strain re-establishes itself as a pathogen.'
Relevant Subjects
📰 Related Articles
9 Aug
Beyond E-Filing: What the e-Courts Phase III Numbers...
8 Aug
Current Affairs Today, August 8, 2026
8 Aug
Param Pragya and the Difference Between a Supercomputer...
✍️ Related Editorials
A new UPSC word every morning
Word of the Day at 7am, plus daily current affairs and free PDFs
Join Channel