Related Clues:

• "Webspace" was added to it in Jun. 2017
• Ref. for Anglophones
• Its second ed. contains about 59 million words
• Masterwork in philology, for short
• Ref. work begun by the London Philological Society
• Massive reference, for short
• Ref. that took 70 years to complete
• Lexicographical authority
• Humongous ref
• Its Jun. 2019 additions include "bae" and "yeesh"
• Its Jun. 2019 additions include 'bae' and 'yeesh'
• Hefty lexical ref
• "The Meaning of Everything" subject: Abbr
• It has included a heart symbol since 2011, in brief
• Venerable ref. set