Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

keystone

noun

Synonyms and Antonyms of keystone

  1. an immaterial thing upon which something else rests <a committed socialist who argues that greed is the keystone of capitalism> Synonyms basis, bedrock, bottom, cornerstone, footing, foundation, ground, groundwork, base, root, underpinning, warp, warp and woofRelated Words anchorage, bed, brace, bulwark, buttress, framework, infrastructure, mount, prop, shore, stay, substratum, substructure, support; assumption, justification, premise (also premiss), presumption, presupposition, rationale, supposition, theory, thesis, warrant; backbone, center, core, cornerstone, eye, focus, heart, hub, kernel, base, nucleus, seat; essence, quintessence, soul, touchstone




Learn More about keystone


Seen and Heard

What made you want to look up keystone? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the lowest point

Get Word of the Day daily email!