Hermetic(adjective)
Completely sealed, airtight; relating to mystical or esoteric knowledge.
Hindi meaning:वायुरोधी / रहस्यमय
Synonyms: Airtight, Sealed, Mysterious, Esoteric
Antonyms: Open, Exposed, Public, Accessible
Example: The scientist kept his experiment in a hermetic container to avoid contamination.
Trick to remember: Hermetic matlab “her metic jar” – ek aisa jar jo bilkul sealed ho, hawa tak na jaaye. 
Learn it with 19 more words: Daily Vocabulary – 29 October 2025 →
