Synonyms and Antonyms of key (kē)

important solution fulcrum pivotal pointer blueprint essential guide skeleton-key passkey nexus latchkey opener answer clue index hinge crux core root taproot nucleus earmark marker symptom sign brand code indicator signboard tip-off route secret ticket capital cardinal chief first foremost leading main major number one paramount premier primary prime top central address atoll cay digital island isle islet password pitch quay reef scale skeleton tonality vital primal keystone headstone winder paint Florida key samara key fruit identify discover distinguish describe master-key passe-partout (French) explanation pivot lever cipher formula francis scott key key out name

peripheral secondary inessential nonessential unimportant insignificant question lock

fundamental principal means cryptography or “crypto” decryption or decipher encryption or encipher crucial critical strategic specific

key ₁₀ kye ₁₀

ye ₅