uniqueness

American  

[yoo-neek-nis] / yuˈnik nɪs /

noun

1. the quality of being unlike anything else of its kind or of being solitary in type or characteristics.

   Owing to its physical and behavioral uniqueness, the osprey is classified in its own family.

2. the quality of being unequaled, incomparable, or unusual.

   Critics are praising the uniqueness of her performance art.

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Other Word Forms

• nonuniqueness noun

Etymology

Origin of uniqueness

First recorded in 1800–05; unique ( def. ) + -ness ( def. )

Example Sentences

"There's a bright band, then nothing, bright band, nothing. No other pulsar shows this kind of striation. That uniqueness made the Crab Pulsar especially interesting -- and challenging -- to understand."

From Science Daily • Mar. 28, 2026

"Those plants have been preserved with us, and that underscores their uniqueness: if we lose them, we won't be able to restore them," Ivannikov said.

From Barron's • Feb. 12, 2026

Fear and Gibson's uniqueness is present in their routines.

From BBC • Feb. 11, 2026

Osinski credits GrlSwirl’s success to its birthplace, Venice Beach, a place that celebrates uniqueness and community.

From Los Angeles Times • Dec. 18, 2025

The reason for the simplicity isn’t disdain for uniqueness, as the other factions have sometimes interpreted it.

From "Divergent" by Veronica Roth