keystone

Meanings

• a central cohesive source of support and stability;
• "the keystone of campaign reform was the ban on soft money"
• the central building block at the top of an arch or vault
• KEYSTONE n pl. -S the central stone of an arch

Synonyms

• anchor
• mainstay
• backbone
• linchpin
• lynchpin
• key
• headstone

Scrabble Score: 15

keystone is a valid Scrabble (US) TWL word

keystone is a valid Scrabble Word in Merriam-Webster MW Dictionary

keystone is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

keystone is a valid Words With Friends word

Angrams of keystone