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Definitions

alien

[eyl-yuhn, ey-lee-uhn] / ˈeɪl yən, ˈeɪ li ən /




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.

Immanuel made headlines a few years ago for claiming that many of America’s health problems are linked to alien DNA and sperm from demons.

From Salon • Apr. 4, 2026

Grace teams up with Rocky, a brilliant alien engineer who looks like a cross between a spider and a rock, and is the size of a Labrador.

From The Wall Street Journal • Apr. 3, 2026

Apers believe Bigfoot is just a primate unknown to science while Woo-Woos think Bigfoot is some sort of interdimensional traveller - an alien of sort.

From BBC • Apr. 3, 2026

"Initially, I thought we must have sequenced some alien species. It's very rare for an active gene, which makes a protein, to not have a match."

From Science Daily • Mar. 26, 2026

I was so afraid he might die in some alien ocean thousands of miles from home.

From "Jacob Have I Loved" by Katherine Paterson