keystone is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

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Meanings

Noun (COUNTABLE)

Singular Plural
keystone keystones
    (architecture) The top stone of an arch. Something on which other things depend for support. A native or resident of the American state of Pennsylvania.

Verb

Verb Present simple 3sg Present participle Past simple Past participle
keystone keystones keystoning keystoned keystoned
    (transitive) To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid. (transitive retail) To double the cost price in order to determine the retail price; to apply a markup of 100%.

keystone is a Scrabble valid word


keystone is an iScramble valid word


keystone is an QuickWords valid word


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Same letters words (Anagrams)


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