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 of sleek

Adjective

• polished
• glossy
• glistening

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

For a low-key, B&B-style stay, Le Secret has five bright guest rooms—understated with a mix of vintage decor—overlooking a lush garden with a sleek swimming pool, olive trees, Japanese maples, and figs. —Caitlin Gunther, Condé Nast Traveler, 19 June 2026

This season, designers such as Celine, Bottega Veneta, and Jil Sander have all showcased sleek shoes that wouldn’t be so out of place at a dance studio or on a Broadway chorus boy. —Christian Allaire, Vogue, 19 June 2026

Verb

Roaring and grunting, his body sleek with blood and sweat, Conan tussles and grapples with a series of opponents, dominating them all, while an audience of torch-wielding vulgarians shouts and howls at the pit’s lip. —Naomi Fry, New Yorker, 15 June 2026

Its older and obsolete buildings have for years been losing office tenants to sleek new skyscrapers that popped up to the west along the Chicago River or in Fulton Market. —Brian J. Rogal, Chicago Tribune, 11 June 2026

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