Definitions

upside down

ADJECTIVE

reversed

Synonyms

WEAK

backwards bottom up inside out inverted orderless overturned topsy-turvy vice versa without order wrong side out

upside-down

ADJECTIVE

overturned, inverted

Synonyms

STRONGEST

tangled

WEAK

backward bottom up bottom-side-up confused disordered downside-up haywire helter-skelter in chaos in disarray jumbled mixed-up on head reversed topsy-turvy upended wrong way wrong-side up

Antonyms

WEAK

right-side up

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.

So far this year, the Iran war has turned OPEC’s usual production problem upside down.

From Barron's • Apr. 28, 2026

"The results are a surprise. They turn our understanding of the evolution of the eye and the brain upside down," says Dan-E Nilsson, professor emeritus in sensory biology at Lund University.

From Science Daily • Apr. 27, 2026

His treatment of the Troll Wall in Norway, Europe’s highest rock face and the cliff Sasha is scaling when the film commences, is a hallucination that turns the world upside down.

From The Wall Street Journal • Apr. 23, 2026

Photos of the crash show a plane upside down with debris scattered in the parking lot of an O’Reilly Auto Parts.

From Los Angeles Times • Apr. 20, 2026

I took a quick glance below me as the plane struggled into the air, at the world suddenly upside down.

From "Black Star, Bright Dawn" by Scott O'Dell

upside down

Example Sentences

Related Words