keystone

noun/ˈkiˌstoʊn/

Frequency rank: #8,125 of 20,003 in the WORDED list (wordfreq data)

Meaning

the central element that holds everything else together; something on which all else depends.

Illustration for the English word “keystone”

Example sentence

Trust is the keystone of any successful relationship.

Synonyms & related words

More words in ranks 8,101–8,200