Catalyst(noun)
A person or thing that causes or speeds up an important change or reaction, without being changed itself. (????????? / ???????? ?? ??? ???? ???? ????)
Synonyms: Stimulus, Spark, Trigger, Inciter
Antonyms: Obstacle, Hindrance, Deterrent, Suppressor
Example: The economic crisis acted as a catalyst for major financial reforms in the country.
Trick to remember: Jo kisi change ko fast-forward kar दे, woh catalyst hai – jaise sahi mentor preparation ka catalyst बन जाता है. 
Learn it with 19 more words: Daily Vocabulary – 27 November 2025 →
