sleek

1 of 2

adjective

ˈslēk 

1

a

: smooth and glossy as if polished

sleek dark hair

b

: having a smooth well-groomed look

sleek cattle

c

: healthy-looking

2

: smooth in speech or manner

also : unctuous

3

a

: having a prosperous air

sleek luxury condominiums

b

: having trim graceful lines

a sleek car

c

: elegant, stylish

a sleek wardrobe

sleekly adverb

sleekness noun

sleek

2 of 2

verb

sleeked; sleeking; sleeks

transitive verb

1

: slick

grooms sleeking cooled horses

—Sunset

2

: to cover up : gloss over

intransitive verb

: slick

Synonyms

Adjective

• buffed
• burnished
• glistening
• glossy
• lustrous
• polished
• rubbed
• satin
• satiny

Choose the Right Synonym for sleek

sleek, slick, glossy mean having a smooth bright surface or appearance.

sleek suggests a smoothness or brightness resulting from attentive grooming or physical conditioning.

a sleek racehorse

slick suggests extreme smoothness that results in a slippery surface.

slipped and fell on the slick floor

glossy suggests a highly reflective surface.

photographs having a glossy finish

Examples of sleek in a Sentence

Adjective

the sleek lines of a sports car

a striking beauty with sleek raven hair

Recent Examples on the Web

Adjective

Wear them with a white tank and Birkenstocks for coffee runs in LA, an oversized button-down and sneakers for walking around Lisbon, or a sleek black vest and strappy sandals for dinner in Miami. —Rosie Marder, Travel + Leisure, 9 May 2025

The couple finally made their debut on Wednesday in chic coordinating outfits, with Jenner sporting a curve-hugging Schiaparelli gown, while her boyfriend looked dapper in a sleek velvet suit. —Kirsty Hatcher, People.com, 9 May 2025

Verb

Restaurants are trying other things to keep diners coming back, from digital upgrades and subscription programs to sleek new remodels. —Emily Lorsch, NBC news, 6 May 2025

While their signature aesthetics range from colorful and pattern-packed to sleek and contemporary, these Atlanta firms aren’t afraid to take design risks—as seen in their daring uses of color, eye-catching materials, and one-of-a-kind custom furnishings. —Elizabeth Stamp, Architectural Digest, 19 Mar. 2025

Word History

Etymology

Adjective

alteration of slick entry 1

Verb

Middle English sleken, alteration of sliken — more at slick entry 2

First Known Use

Adjective

1578, in the meaning defined at sense 1a

Verb

15th century, in the meaning defined at transitive sense 1

Rhymes for sleek

• beak
• beek
• bleak
• cheek
• chic
• clique
• creak
• creek
• eke
• freak
• geek
• greek

Kids Definition

sleek

1 of 2 verb

ˈslēk 

: to make or become sleek

sleek

2 of 2 adjective

1

a

: smooth and glossy as if polished

sleek dark hair

b

: having a smooth healthy well-groomed look

sleek cattle grazing

2

: having a prosperous look or manner

sleekly adverb

sleekness noun