key

Opens a lock

The commonest and oldest use of key is for an object that opens a lock: car key, card key.

The implicit idea of a thing that is essential for the use of something else has imbued key with an important adjectival role: the candidates avoided many of the key issues.

If one thing is keyed to another, one either depends on, or provides, a reference to the other: she keyed her sermon to the congregation’s need for comfort.

The small island called a key is separately derived.

cryptographic

encryption

Converting data into code

  • cipherHidden writing system
  • decryptReverse encoding process
  • codeSymbolic communication system

password · passphrase · cryptography · public · private · symmetric · asymmetric · hash · token · secure

access

unlock

Open a secured closure

  • lockMechanism requiring a key
  • doorHinged room barrier
  • entryAccess or submission

gateway · entrance · doorway · deadbolt · latch · master · skeleton · passkey · lockout · keyway

notation

flat

Lacking vertical variation

minor · tonic · modulation · transpose · scale · tonality · relative · parallel · accidental · clef

critical

vital

Essential or sustaining existence

important · fundamental · central · integral · indispensable · linchpin · cornerstone · crux · core · decisive

island

cay

Small coral island

  • reefUnderwater rock or coral formation
  • coralMarine skeletal formation
  • sandbarUnderwater ridge of sediment

atoll · shoal · lagoon · tropical · barrier · islet · Florida · Biscayne · Largo · West

musical

piano

Keyed percussion instrument

accordion · ivories · black · white · ebony · ivory · fingerboard · octave · touch · action

solution

answer

Solution to query

legend · decode · decipher · puzzle · mystery · riddle · hint · revelation · solve · crack

symbolic

emblem

Representational sign or device

symbol · representation · meaning · token · hallmark · crest · sigil · ceremonial · golden · freedom

map

legend

Unverified traditional tale

  • indexAlphabetical guide to contents
  • guideLeader or instruction book
  • referenceDirecting attention elsewhere

chart · symbol · annotation · scale · compass · notation · glossary · diagram · explanation · interpretation

Categories
Opposites
importance/essentiality

keytrivial

Lacking significance or weight

unimportant · insignificant · minor · peripheral · secondary

lock mechanism

keylock

Mechanism requiring a key

padlock · deadbolt · latch · bolt · barrier

musical harmony

keyoff-key

Wrong pitch, musically

out of tune · dissonance · atonality · dissonant · discordant

Phrases
Family

keys, keyboard, keyhole, keynote, keystone, keying, keyed, keyboards, keypad

Familiarity
Top 1,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G