Penumbra(noun)
The partially shaded outer region of a shadow; partial darkness.
Hindi meaning:अर्धछाया
Synonyms: Partial shadow, Shading, Semidarkness, Gray area
Antonyms: Brightness, Illumination, Clarity, Full light
Example: The candle cast a penumbra around the room, leaving the corners dim.
Trick to remember: Penumbra = pen (partial) + umbra (shadow): jab shadow poora nahi hota, bas half-dark area banta hai—penumbra.
Learn it with 19 more words: Daily Vocabulary – 21 January 2026 →
