Definitions

E.T.

[et] / ɛt /

NOUN

extraterrestrial

Synonyms

STRONG

Martian

WEAK

little green man men from outer space space being space inhabitant

NOUN

space being

Synonyms

WEAK

Martian alien extraterrestrial extraterrestrial visitor little green man man from Mars visitor from another planet

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.

ET on June 1, incorrectly said the spike didn’t ease.

From The Wall Street Journal • Jun. 4, 2026

ET that it is describing as “a beginner’s guide to help get in early” to IPOs.

From Barron's • Jun. 1, 2026

ET, the S&P 500 was up 5.3% in May, driven by a remarkable rally in the information-technology sector.

From MarketWatch • May 29, 2026

ET on Thursday how to handle a case seeking to block the drug’s telehealth approval immediately.

From Salon • May 13, 2026

The British say ET, but we say EIGHT.

From "Woe Is I" by Patricia T. O'Conner