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Merriam-Webster's latest 'glow-up' adds 1,400 new words and definitions to its dictionary
The additions reflect widespread use over time, with terms ranging from internet slang to AI-related language, Merriam-Webster said.
On Tuesday, Merriam-Webster announced it is expanding its dictionary with 1,400 new words and definitions reflecting terms demonstrating widespread use over time.
New additions include 'parasocial,' 'compute,' 'vibe coding,' and 'superfood,' while Merriam-Webster also added 'cuffing season' as a time when single people seek short-term romantic partners.
Given widespread fears about artificial intelligence, the company added 'uncanny valley,' defined as the creepy feeling from something artificial appearing almost human. The 2025 Word of the Year, 'slop,' describes low-quality digital content produced by artificial intelligence.
The company updates its repertoire based on frequent, widespread, and meaningful usage, with editorial staff evaluating evidence without formal committee meetings or advocacy groups.
Merriam-Webster has not yet announced a Word of the Year for 2026, as the publisher typically makes this selection in the final quarter of the year.