Definitions

sui generis

[soo-i ge-ne-ris, soo-ahy jen-er-is, soo-ee] / ˈsʊ ɪ ˈgɛ nɛ rɪs, ˈsu aɪ ˈdʒɛn ər ɪs, ˈsu i /

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unique adj.
unprecedented adj.

ADJECTIVE

unique

Synonyms

STRONGEST

different exclusive particular rare uncommon

WEAK

individual lone one one and only onliest only separate single solitary solo unexampled

Antonyms

STRONGEST

common normal ordinary regular usual

WEAK

commonplace like similar standard trite

ADJECTIVE

unprecedented

Synonyms

STRONGEST

bizarre extraordinary fantastic miraculous new remarkable singular uncommon unheard-of unique unparalleled unrivaled unusual

WEAK

aberrant abnormal anomalous eccentric exotic freakish idiosyncratic marvelous modern newfangled novel odd out-of-the-way outlandish outre outré preternatural prodigious signal unexampled

Antonyms

STRONGEST

bad common commonplace customary familiar normal ordinary poor regular standard usual

WEAK

known unexceptional unremarkable

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.

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sui generis

The president is a sui generis figure in American history.

From Salon ● Jun. 25, 2026

At one hour and one minute, “One Shot With Ed Sheeran” is both a novelty and a mini-immersion in its star’s music, which is fairly sui generis.

From The Wall Street Journal ● Nov. 20, 2025

“Unbelievable win,” Indiana’s sui generis coach Curt Cignetti said afterward.

From The Wall Street Journal ● Nov. 9, 2025

Although there are original screenwriters aplenty in Hollywood, it’s hard to imagine anyone more truly sui generis than Charlie Kaufman.

From Los Angeles Times ● Feb. 21, 2025

She thought of the sui generis Hixby’s guidebook, the fictitious Judge Quinzy, and the mysterious danger Miss Mortimer had warned her about.

From "The Hidden Gallery" by Maryrose Wood

sui generis

Example Sentences

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