Penumbra Play [puh-nuhm-bruh] (noun) A partially shaded area, especially the outer region between complete shadow and full illumination. SYNONYMS shade shadow twilight cover adumbration ANTONYMS light brightness clarity The moon cast a faint penumbra on the ground during the eclipse. Daily Wordshake Tuesday, May 20th "Sealing against nature’s worst moods" PLAY Previous Daily Puzzle Words Tuesday, May 20th "Bodies of Water" PLAY Previous Latest Blog Posts April 30th, 2025 What word is spelled wrong in the dictionary? April 30th, 2025 The Future of Wordshake April 3rd, 2025 10 Weird Word Facts You’ll Want to Share August 5th, 2024 A Pair of Pears? Homophones, Homonyms and Homographs Explained