The , was released on November 18, 2025 . This milestone marked the first major print revision of the iconic reference book in 22 years , following the long-standing 11th edition released in 2003. Key Upgrades and Changes
: Language evolves faster than print cycles. Digital platforms allow editors to add words like "influencer" or "deepfake" immediately. merriam webster collegiate dictionary 12th edition
This edition serves as a comprehensive time capsule of the last two decades, incorporating over and 1,000 new phrases . The , was released on November 18, 2025