sketchy

adjective

ˈske-chē 

sketchier; sketchiest

1

: of the nature of a sketch : roughly outlined

2

: wanting in completeness, clearness, or substance : slight, superficial

the details are sketchy

3

: questionable, iffy

got into a sketchy situation

a sketchy character

sketchily

ˈske-chə-lē 

adverb

sketchiness

ˈske-chē-nəs 

noun

Did you know?

The Varied Meanings of Sketchy

A sketch is a rough drawing usually done as an initial draft in contrast to a finished work. The word sketch suggests imperfection and a lack of refinement. It comes from the Dutch word schets and ultimately from the Italian verb schizzare, an imitative verb meaning "to splash."

Unsurprisingly, the adjective sketchy originally described something relating to or resembling a sketch, as in "a sketchy portrait." But because sketches are by nature rough and ill-defined, sketchy soon came to mean "wanting in completeness, clearness, or substance," as in "a sketchy understanding" or "sketchy details."

What lacks completeness, clearness, or substance is also subject to doubt or challenge, and sketchy went on to develop uses applying to what is questionable or iffy, either for physically obvious qualities or for something less tangible. In sports we see this sense of sketchy applied to a track or surface that is poorly maintained, as in "a sketchy track," and in broader use it is applied to streets and neighborhoods that can also be described as seedy, as in "a sketchy part of town."

The adjective has more recently extended in use to describe someone who creates an impression of unsavoriness, or something that comes from an untrustworthy source or is itself untrustworthy, as in "a sketchy dude" or "a scheme that sounds sketchy."

Examples of sketchy in a Sentence

The details about the accident are still a little sketchy.

I have only a sketchy idea of how it works.

Recent Examples on the Web

Details remain sketchy, but among the benefits touted by supporters is that the department would enjoy contracting and procurement powers theoretically free from mayoral influence and could put violence interrupters and other CVI workers on the city payroll for the first time. — The Editorial Board, Chicago Tribune, 25 June 2026

Some aren’t even waiting for approval from the Food and Drug Administration, instead racing to acquire it through sketchy means. — Lizzy Lawrence, STAT, 23 June 2026

Shanda had misgivings about Pitman working nights—which is when debtors, and their cars, tend to be home—and in sketchy circumstances. — Paige Williams, New Yorker, 22 June 2026

Yossi Kuperwasser, head of the Jerusalem Institute for Strategy and Security and former chief of the research division in the Israel Defense Forces’ Military Intelligence Directorate, told Fox News Digital that the details of the agreement remain sketchy. — Amelie Botbol, FOXNews.com, 15 June 2026

Word History

First Known Use

1805, in the meaning defined at sense 1

Kids Definition

sketchy

adjective

ˈskech-ē 

sketchier; sketchiest

1

: of the nature of a sketch : roughly outlined

2

: lacking completeness, clearness, or substance : slight, vague