Definition of Cornerstone

  • (noun) a stone at the outer corner of two intersecting masonry walls
  • (noun) a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
  • (noun) the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"

Antonyms of Cornerstone


No Antonyms Found.

Homophones of Cornerstone


No Antonyms Found.



Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.