Thesaurus.com
Dictionary.com
Definitions

authentication

[aw-then-ti-key-shuhn] / ɔˌθɛn tɪˈkeɪ ʃən /


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.

The process works much like two-factor authentication on a banking website.

From Science Daily • Apr. 2, 2026

While palm, face or iris payment and authentication aren’t widespread in the U.S., more commercial trials are popping up, and this type of biometric technology has the potential to proliferate over the next few years.

From The Wall Street Journal • Mar. 20, 2026

"Nature is a great choice from a banknote authentication perspective and means we can showcase the UK's rich and varied wildlife on the next series of banknotes," she added.

From Barron's • Mar. 12, 2026

That’s led to security concerns, as cybersecurity company Wiz identified a database misconfiguration in early February that left 1.5 million API authentication tokens, 35,000 email addresses and private messages between agents exposed.

From MarketWatch • Mar. 10, 2026

From now on, wherever he went, he’d be closely trailed by a military aide carrying a forty-five-pound briefcase containing launch authentication codes and sophisticated communications devices, often referred to as the nuclear football.

From "Becoming" by Michelle Obama