Thesaurus.com
Dictionary.com
Definitions

Sirius

[sir-ee-uhs] / ˈsɪr i əs /
NOUN
Dog Star
Synonyms


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 Sirius patrol, tasked with defending a huge, largely uninhabited swathe of the island in the northeast measuring 972,000 square km, travels across the ice by dogsled.

From Barron's • Jan. 14, 2026

Representatives for Sirius declined to comment on the financial terms of the deal.

From MarketWatch • Dec. 16, 2025

It came loaded with a subscription to the Sirius radio service, featuring a channel devoted entirely to Bruce called E Street Radio.

From The Wall Street Journal • Oct. 24, 2025

Ms Crickmore called her winning vegetable Sirius, "because that's the brightest star in the sky".

From BBC • Oct. 15, 2025

“I expect Potter will be reunited with dear Sirius before I am reunited with Lucius.”

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling