Sidney

American  

[sid-nee] / ˈsɪd ni /

Also Sydney

noun

1. Sir Philip, 1554–86, English poet, writer, statesman, and soldier.

2. a city in N Ohio.

3. a male or female given name: a family name taken from a French placename, Saint Denis.

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Sidney British  

/ ˈsɪdnɪ /

noun

1. Algernon. 1622–83, English Whig politician, beheaded for his supposed part in the Rye House Plot to assassinate Charles II and the future James II: author of Discourses Concerning Government (1689)

2. Sir Philip. 1554–86, English poet, courtier, and soldier. His works include the pastoral romance Arcadia (1590), the sonnet sequence Astrophel and Stella (1591), and The Defence of Poesie (1595), one of the earliest works of literary criticism in English

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Example Sentences

“In the past 10 to 15 years, our technology has improved greatly,” said Dr. Elizabeth Jaffee, professor of oncology at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins.

From The Wall Street Journal • Mar. 17, 2026

At age 39, Jordan joins a small circle of Black actors who have won the prestigious best actor Oscar, after Sidney Poitier, Denzel Washington, Forest Whitaker and Will Smith.

From Barron's • Mar. 16, 2026

Another reveals that Sidney has security cameras linked to her phone, yet she forgets about them to go barging into her dark house.

From Los Angeles Times • Feb. 26, 2026

They could be without captain Sidney Crosby, who was forced off in their last eight win over Czech Republic with a knee injury and missed the Finland semi.

From BBC • Feb. 22, 2026

On his way to court Samuel Westing and his friend, Dr. Sidney Sikes, were involved in a near-fatal automobile accident.

From "The Westing Game" by Ellen Raskin