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Definitions

straight-up

ADJECTIVE
plumb
Synonyms
STRONGEST
perpendicular vertical
STRONG
straight upright
WEAK
up and down
Antonyms
STRONG
horizontal prone
WEAK
flat level
ADJECTIVE
steep
Synonyms
STRONGEST
abrupt arduous hilly lofty precipitous
STRONG
elevated high lifted perpendicular raised sharp sheer
WEAK
declivitous prerupt
Antonyms
STRONGEST
gradual
STRONG
flat low
WEAK
gentle mild moderate
ADJECTIVE
vertical
Synonyms
STRONGEST
perpendicular steep
STRONG
bolt upright erect plumb
WEAK
cocked on end sheer up-and-down upward
Antonyms
STRONG
horizontal level
WEAK
prone
ADVERB
over
Synonyms
STRONGEST
off upstairs
STRONG
covering overhead
WEAK
aloft beyond farther up higher than in heaven in the sky on high on top of overtop straight up
Antonyms
WEAK
under

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.

The National League suffers from an archaic quirk within the upper echelons of the football pyramid, with only its champions going straight up.

From BBC • Apr. 25, 2026

The frost problem having been dealt with, the arrow was pointing straight up.

From Slate • Apr. 20, 2026

“Once you start seeing the chart go straight up, then you have to think it’s almost a loaded weapon.”

From MarketWatch • Feb. 1, 2026

A lot of stocks have gone almost straight up.

From Barron's • Jan. 16, 2026

All the hair on his back stood straight up.

From Anya and the Dragon by Sofiya Pasternack