keys

NOUN

item that unlocks

Synonyms

STRONG

latchkey opener passkey screw skeleton

Antonyms

WEAK

lock question

NOUN

answer, solution

Synonyms

STRONGEST

blueprint clue code core guide indicator means passport password sign ticket

STRONG

brand cipher crux cue earmark explanation fulcrum hinge index interpretation lead lever marker nexus nucleus pivot pointer root symptom translation

Antonyms

STRONG

exterior exteriority outside

WEAK

lock question

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Up to 6.9 million Bitcoin are vulnerable as their public keys are already exposed, allowing quantum systems to crack them anytime.

From Barron's • Apr. 1, 2026

One of the most promising approaches is quantum cryptography, which uses individual photons to generate encryption keys.

From Science Daily • Apr. 1, 2026

In 2007, Apple co-founder Steve Jobs introduced the multi-touch smartphone keyboard, touting how fast it was to type on compared with the BlackBerry’s physical keys.

From The Wall Street Journal • Mar. 29, 2026

“One of the keys to investing success, certainly, is getting started early,” Jonathan Craig, head of retail investing at Charles Schwab, told MarketWatch.

From MarketWatch • Mar. 26, 2026

She fumbled anxiously for her keys, forcing the door open roughly and stepping out into the early morning glare to get a better look.

From "Night Owls" by A.R. Vishny